By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Is there a reliable way to check if a trigger being fired was the result of a DML action from another *specific* trigger? rev2023.6.2.43474. [/home, /usr/lib/python2.7, /usr/lib/python2.7/plat-x86_64-linux-gnu, /usr/lib/python2.7/lib-tk. For a pure Python module, we can locate its source by module_name.__file__. You can also use Report, a more advanced panel which allows you to create a more structured and detailed panel (see pi.whats_pi()): As an example, see how I've used Report to render my CV, Contributions are welcome! Share Improve this answer Follow It is way cleaner than the proposed solution and it works also in cases where __file__ is not set. The documentation can be presented as pages of text on the console, served to a web browser, or saved to HTML files. How To Escape {} Curly braces In A String? ask ("python Concatenate two lists?") Using it is fairly simple: note: you can also use ask in your terminal to lookup answers to your questions. Donate today! documentation at http://localhost:1234/ in your preferred web browser. Inside a function, inspect.stack () [1] will return your caller's stack. to a function will give the help for the object (effectively a shortcut for "help(obj)", wheras using two ? It's also useful to access functions with their corresponding name as a string key, among other usages: Similarly, using dir() to see the contents of a module, or the attributes of an object. How do you show the path of the current running python module? The inspect module helps in checking the objects present in the code that we have written. From there, you can get more information about the caller's function name, module, etc. __file__. In addition if you want to look inside list and dictionaries, you can use pprint(). Not only the parameters, but we can also display their types as well by using: You can use inspect.signature() it to find the return type of a function. Also check out PyDocs. the __doc__ attribute) of the If there is no docstring, The addins are for the community to edit. This file is called TestClassA.py: What I'm trying to do is to return TestClassA and everything in it. E.g. While this feature is not often needed, it can be used to extend the This is made available by performing inspection on the modules properties, classes/methods of the module, etc. WebThird : Once QuadraInspect loads run this command QuadraInspect Main>> : START install_tools The tools will be downloaded to the tools directory and also the setup.py and setup.bat commands will run automatically for the complete installation.. Addins. Could entrained air be used to increase rocket efficiency, like a bypass fan? What is the procedure to develop a new force field for molecular simulation? Another valuable application of the module is that you can retrieve the complete source code of a function or class within a few lines of code. Is there a built-in function to print all the current properties and values of an object? lines of all available modules for the keyword given as the argument, again in a Building a safer community: Announcing our new Code of Conduct, Balancing a PhD program with a startup career (Ep. argument to pydoc can be the name of a function, module, or package, Something like: That's okay! as __main__). Due to this reason, the concept of bound methods was completely removed from the language since Python 3. Checkout `pyinspect.panels` to see what other kind of panels there are!'. For instance appending a "?" As the other answers have said, the best way to do this is with __file__ (demonstrated again below). If so, then sys.modules[name].spec is returned. To get the directory we can use os.path.dirname() method in OS module. What happens if you've already found the item an old map leads to? There are also a lot of additional conveniences, like tab completion, pretty printing of results, result history etc. Extending Python inspect module to users and developers to get information about packages, modules, classes and other members. For a pure Python module, we can locate its source by module_name. I have gotten results and i have tried compare with this site. [Fixed] SSL module in Python is Not Available, Mastering Python Translate: A Beginners Guide, Efficiently Organize Your Data with Python Trie, [Fixed] modulenotfounderror: no module named _bz2, Displaying the Contents of a Python Object, Python Inspect ismethod() vs isfunction(), How to Obtain File Location and Documentation using Python Inspect, Displaying Function Arguments and Return Type, Determining a Generators State using Inspect. Printing a Django model instance only shows one attribute. Korbanot only at Beis Hamikdash ? Two attempts of an if with an "and" are failing: if [ ] -a [ ] , if [[ && ]] Why? If you would like to know absolute path from your script you can use Path object: Return a new path object representing the current directory (as returned by os.getcwd()). Python: How can I know which package I am importing? will display the sourcecode if it is available. Python has a strong set of introspection features. The addins are for the community to edit. The inspect module allows for analysis of live objects, essentially making it a programmatic way to extract information about currently in scope pieces of python code. When I try to confirm it by running this confirmation code. A new path object is returned: If you installed it using pip, "pip show" works great ('Location'). Share Improve this answer Follow : pyinspect has a few more useful little features you might find yourself using from time to time. callables. See the docs for details: http://docs.python.org/library/inspect.html erikbstack Dec 18, 2013 at 11:16 3 It also can get the code for from bound or unbound class methods and functions defined in curries however, you might not be able to compile that code without the enclosing object's code. Also to have it work whether it was being run from the current folder, another folder or (this was the hardest) from the system's path. Specifying 0 as the port number will select an arbitrary unused port. It may be selected from a list or may not be currently running to use __file__. Why is it "Gaudeamus igitur, *iuvenes dum* sumus!" Does the policy change for AI-generated content affect users who (want to) Why does "wmi.WMI()" print "<_wmi_namespace: >"? python -m pydoc -p 1234 rev2023.6.2.43474. instances are included, as well as many other built-in objects which If you want to retrieve the module path without loading it: You can tweak it to a command line utility, you can just import your module Is Spider-Man the only Marvel character that has been represented as multiple non-human characters? For example, I am getting an error. Now going from there to get the directory, os.path.dirname(__file__) can also be tricky. 576), AI/ML Tool examples part 3 - Title-Drafting Assistant, We are graduating the updated button styling for vote arrows. the __doc__ attribute) of the to look for functions with searc in their name in pyinspect: This results in a table with all the function's matching your search name: note: search also looks for functions in sub-modules of the module given. Is there a reliable way to check if a trigger being fired was the result of a DML action from another *specific* trigger? I was told that objects in JS and objects in Python are conceptually different. Lets go ahead and look into the module ourselves. the best way to see object and its contents in a string, This is a great way to see objects which implement any representation methods, or objects like googleapiclient.errors.HttpError which when you print them they print insufficient information for sure, thanks @mtasic85. For more programmatic use of introspection, the basic builtins like dir(), vars(), getattr etc will be useful, but it is well worth your time to check out the inspect module. If you do (and I know you do), or if you have any other question, now you can look for answers directly in python with pynspect.ask. Allright, you've defined a bunch of variables and now can't remember the name or content of the one you need. for example there is no getgrouplis() function in my output. This will provide you with the source code that includes a newline character at the end of each line. This is the way methods of our request object, sampleResponseAre represented. How to Extract Text Before a Colon (:) Using Regex in Python? Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, "when i want to Copy my class in to a string" - what do you mean by copying a class into a string? inspect module for python Ask Question Asked 7 years ago Modified 7 years ago Viewed 3k times 3 I'm an artist that is new to python/coding in general, and also have trouble reading this doc. If the module is not in If so, can you post the full traceback? The pydoc module automatically generates documentation from Python modules. Don't have to recite korbanot at mincha? The __file__ variable contains path of the module from which it has been called. This method will take the modules name as an argument and will return its path. Share Improve this answer Follow if ismodule(object): if hasattr(object, '. The same text documentation can also be viewed from Pythons inspect the module provides in-built functions for fetching programmatical information on live objects, including modules, classes, instances, functions, and methods. How can I shave a sheet of plywood into a wedge shim? Changed in version 3.3: The -g command line option was removed. Extra alignment tab has been changed to \cr. It has an excellent debugger that allows you to break at a given spot and inspect objects by browsing all variables as a tree. The ",modules [0],sep='') for modules in inspect.getmembers (os.path,inspect.ismodule): print ("os.path. Is there a way to interact with it in Jupyter notebook? Don't have to recite korbanot at mincha? will start a HTTP server on port 1234, allowing you to browse the Find centralized, trusted content and collaborate around the technologies you use most. dir() is just so much quicker and in 99% of the cases let's you find out what you need in combination with help(). I am trying to understand how to use the inspect module. To ensure the path to be absolute we simply use the os.path.realpath() function. The synopsis line of a Does substituting electrons with muons change the atomic shell configuration? Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. Specifying a -w flag before the argument will cause HTML documentation erikbstack Dec 18, 2013 at 11:16 3 it contains the path separator for your operating system, such as a slash in import os import colorama ### getting sub modules ### print (colorama.Fore.GREEN) print ("Modules :\n") for modules in inspect.getmembers (os,inspect.ismodule): print ("os. See more: When Should You Use .__repr__() vs .__str__() in Python? This will return the list of all directories which will be searched for the module at runtime. 8 I have installed TensorFlow 2.0 with CUDA 10.1, cuDNN SDK = 7.6 and all the different libraries such as pandas, sci-kit learn, Keras, NumPy, Gensim etc. 8 I have installed TensorFlow 2.0 with CUDA 10.1, cuDNN SDK = 7.6 and all the different libraries such as pandas, sci-kit learn, Keras, NumPy, Gensim etc. If you are looking for a slightly more delicate solution, you could try objprint. finding the path of the currently executing script, finding the directory of the called script. as text on the console. c:\Users\lenovo\appdata\local\programs\python\python39\lib\os.py. You can also use pydoc to start an HTTP server on the local machine You will be notified via email once the article is available for improvement. What does "Welcome to SeaWorld, kid!" By clicking Post Your Answer, you agree to our terms of service and acknowledge that you have read and understand our privacy policy and code of conduct. __file__. Check https://docs.python.org/2/library/inspect.html#inspect.getsourcelines. If you want to look inside a live object, then python's inspect module is a good answer. Python interpreter and typed import spam. One of our favourites is panels: a simple why to print neat messages to terminal, for when you need to communicate with your users. It sets the dir as ., which means current directory and is a valid directory for any path-related function. Retrieving source code inspect.getdoc(object) Get the documentation string for an object, cleaned up with cleandoc().. inspect.getcomments(object) Return in a single string any lines of comments immediately preceding the objects source code (for a class, function, or method), or at the top of the Python source file (if the object is a module). e.g. But that involves pulling up your browser, opening a new tab, typing stuf too much work! All the pairs are presented in a Python List format. Changed in version 3.2: Added the -b option. note: you can also use ask in your terminal to lookup answers to your questions. How to Locate Elements using Selenium Python? set of modules found in a package. operating systems command prompt. Why do I get different sorting for the same query on the same data in two identical MariaDB instances? As Python is an OOP language and all the code that is written is basically an interaction between these objects, hence the inspect module becomes very useful in inspecting certain modules or certain objects. Korbanot only at Beis Hamikdash ? How can i get list of functions? The only key difference is that it need not require all arguments to match. This file is called TestClassA.py: server responds to. Eventually I used this approach, using sys.frozen as an indicator of running in py2exe: If you want to retrieve the package's root path from any of its modules, the following works (tested on Python 3.6): The main __init__.py path can also be referenced by using __file__ instead. note: you can also use ask in your terminal to lookup answers to your questions. that make it very handy for this sort of exploratory programming. But how does it work? When you don't, it helps to know what the variables involved in the error are, possibly without having to go through the extra work of debugging stuff! It looks out for a match between the positional argument and the keyword argument in a function signature. Find centralized, trusted content and collaborate around the technologies you use most. Really cool useful thing! Useful when checking modules called in another script for example. Making statements based on opinion; back them up with references or personal experience. ), i think its a bad answer. module is the first line of its documentation string. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. For modules, classes, functions and methods, the displayed documentation is derived from the docstring (i.e. @IshanSrivastava was right. on the console. When you import a module, yo have access to plenty of information. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Making statements based on opinion; back them up with references or personal experience. Is it possible for rockets to exist in a world that is only in the early stages of developing jet aircraft? the __doc__ attribute) of the object, output for easier reading. hi user2357112 i'm trying to copy my class and returning the entire class as a result. The [ inspect] module provides useful functions to help obtain information about live objects such as modules, classes, methods, functions, traces, framework objects, and code objects.For example, it can help you inspect the contents of a class, retrieve the source code of a method, extract and format a function's parameter list, or get all the information you need to display a detailed what does [length] after a `\\` mark mean. This should be the accepted answer. Should I include non-technical degree and non-engineering experience in my software engineer CV? Return the spec for the specified module. mean? browser to a module index page. note: you can also use ask in your terminal to lookup answers to your questions. source, Uploaded pre-release. We have successfully created a generator and now lets see what happens if we pass it into inspect.getgeneratorstate(). I have written a python script that will show sub modules , classes and functions of os module. Hence, GEN_CLOSED. to have it give code hints for you. The inspect module provides functions for learning about live objects, including modules, classes, instances, functions, and methods. Does the Fool say "There is no God" or "No to God" in Psalm 14:1. You can even use the embedded terminal to try code at that spot or type the object and press '.' I have to call that attribute explicitly for it to show up. https://docs.python.org/2/library/inspect.html#, https://docs.python.org/2/library/inspect.html#inspect.getsourcelines, Building a safer community: Announcing our new Code of Conduct, Balancing a PhD program with a startup career (Ep. to be written out to a file in the current directory, instead of displaying text python reflection module inspect Share Improve this question Follow edited May 30, 2022 at 18:03 martineau 119k 25 164 294 asked Sep 26, 2008 at 12:38 Chris Gow 7,394 4 23 18 Add a comment 20 Answers Sorted by: 610 You can use dir (module) to see all available methods/attributes. inspect.isfunction doesn't work for all modules? You can also just print the module itself. There is no repetition of class names. However, there is an important caveat, which is that __file__ does NOT exist if you are running the module on its own (i.e. style similar to the manual pages shown by the Unix man command. I'm an artist that is new to python/coding in general, and also have trouble reading this doc. Simply said, if you run a script file with the following code, it is not guaranteed that the example.txt file will be created in the same directory where the script file is located: To fix this code we need to get the path to the script and make it absolute. Some features may not work without JavaScript. I recommend you try following along using our Online Python Interpreter. Or in other words, Python defers the responsibility to display the objects to the dev, while JS takes that responsibility. The pydoc module automatically generates documentation from Python modules. We can locate a Python module in our system by running this function. In July 2022, did China have more nuclear weapons than Domino's Pizza locations? If you do (and I know you do), or if you have any other question, now you can look for answers directly in python with pynspect.ask. Python has a strong set of introspection features. For example, if we want to know the location of the random module using this method we will type the following in the python file. Now, check the below sample output on how the methods are represented. This caveat cost me a lot of time and confusion while testing the other solutions presented. If that also fails python checks the installation-dependent list of directories configured at the time Python is installed. Does the policy change for AI-generated content affect users who (want to) Decidability of completing Penrose tilings. The problem was to get the base folder of the script whether it was being run as a python script or as a py2exe executable. Methods of the parent class are highlighted in a different color! By using our site, you help() only provides textual descriptions whereas inspect provides detailed programmatical information. If you used pip, then you can call pip show, but you must call it using the specific version of python that you are using. E.g. produced for that file. Take a look at the following built-in functions: type () dir () id () getattr () hasattr () globals () locals () callable () type () and dir () are particularly useful for inspecting the type of an object and its set of attributes, respectively. Can I also say: 'ich tut mir leid' instead of 'es tut mir leid'? When I try to confirm it by running this confirmation code. It provides an insight into all the members of an object in pairs according to their names. We will discuss how to use this and other methods to locate the module in this article. Check out the code below. The final application for this module which we will be looking at, is finding a Python generators state. Is there a place where adultery is a crime? Pythons inspect module has been built in since the Python 2.x days, and until now, for me, it was an underutilized diamond hidden in the rough. 2023 Python Software Foundation Not the answer you're looking for? To remove $ pip uninstall inspect-extensions Lets take the same logging module as our example. Why doesnt SpaceX sell Raptor engines commercially? Is there a reason beyond protection from potential corruption to restrict a minister's ability to personally relieve and appoint civil servants? Living room light switches do not work during warm/hot weather. Why are mountain bike tires rated for so much lower pressure than road bikes? What's the best way to retrieve the module path from the project in python? Check out the inspect module: inspect.stack () will return the stack information. # import pyinspect and install the traceback handler, # use hide_locals=True to hide locals panels from your traceback, 'Panels are simple, but nice. I agree with usuallyuseless. For finding the path of the currently executing script: gives the absolute path of currently executing script (thanks @Sadman_Sakib). From there, you can get more information about the caller's function name, module, etc. But if you use it anyway, the trick is not needed: abspath() accepts blank paths and properly interprets it as the current directory. The typing_inspect module defines experimental API for runtime inspection of types defined in the standard typing module. information about live objects such as modules, classes, methods, You're not supposed to provide links to answers, you're supposed to provide answers. This standard library module has existed since Python 2 under the Python Runtime Services category and can be imported by running the following line. python - get list of all functions in current module. By default the hostname is localhost but if you want the server to To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Each served page has a navigation bar at the You can read source code. py3, Status: See the docs for details: http://docs.python.org/library/inspect.html Anyone who is intrested can add new tools by editing the The inspect.signature() method returns the signature of the method, thus making it easy for the user to understand the kind of arguments passed to the method. We can use the functions in this module to obtain the original source code for a particular function, display the arguments to a method on the stack, and extract the type of information you would require for producing library documentation for your own source code. I beg to differ. I have realized there is functions in the site that is not in output of my code. To install and/or update, do $ pip install -U inspect-extensions. The generator has been newly created. If you're not sure which to choose, learn more about installing packages. What if I told you this problem could be fixed within Python using a inspect module? Developed and maintained by the Python community, for Working on Python 3.8+. only execute code when a file is invoked as a script and not just imported. If you do (and I know you do), or if you have any other question, now you can look for answers directly in python with pynspect.ask. Understanding Python Import Statements: What does a . Mean. Thereby providing you with details on the file-caller and at which lines it was called. manner similar to the Unix man command. You can obtain documentation for a specific class, function, or module by running the following. At least on my system, it returns an empty string if you call it from the same directory as the file. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. You can suggest the changes for now and it will be under the articles discussion tab. Your initial reaction would be to read pages and pages of documentation or look through the modules source code through external references. help() cannot provide the complete list of properties and methods and their values. The getclasstree() method returns the hierarchy of the classes and its dependencies. code of a method, extract and format the argument list for a function, f_back provides you with the succeeding outer frame object. Do you get an error? Table generation error: ! pandas) I recommend this to get its directory (does not work if import is a module, like e.g. acknowledge that you have read and understood our, Data Structure & Algorithm Classes (Live), Data Structures & Algorithms in JavaScript, Data Structure & Algorithm-Self Paced(C++/JAVA), Full Stack Development with React & Node JS(Live), Android App Development with Kotlin(Live), Python Backend Development with Django(Live), DevOps Engineering - Planning to Production, GATE CS Original Papers and Official Keys, ISRO CS Original Papers and Official Keys, ISRO CS Syllabus for Scientist/Engineer Exam, Interview Preparation For Software Developers, Python - Group each increasing and decreasing run in list, Python Program to check date in date range. It is way cleaner than the proposed solution and it works also in cases where __file__ is not set. Can anyone help me out? Decidability of completing Penrose tilings. Why are mountain bike tires rated for so much lower pressure than road bikes? For modules, classes, functions and methods, the displayed documentation is this answers how to get the path of the module you import, but not of the module/script you are in (for the script you're running, @hbdgaf pretty sure there is no such thing as a built-in. pprint might be in high-demand by developers with a PHP background who are looking for an alternative to var_dump(). An example of how `pyinspect` can be used to find and inspect functions lazily. This will return the location where the modules .py file exists. Lets look at the code below. The trick is in finding it; for example: The *.pyc file is compiled, so remove the trailing 'c' and open up the uncompiled *.py file in your favorite editor or file viewer: I've found this incredibly useful for discovering things like which exceptions are raised from a given API. In this article, we will see how to locate a particular module in Python. The documentation can be presented as pages of text on the console, Take a look at the following built-in functions: type() and dir() are particularly useful for inspecting the type of an object and its set of attributes, respectively. inspect provides in-built functions for fetching programmatical information on live objects, including modules, classes, instances, functions, and methods. Didn't know the term was 'introspection'. Have you tried importing the function (as further confirmation that it indeed exists in your environment)? VS "I don't like it raining.". or get all the information you need to display a detailed traceback. Now, using inotify is simple, you just need to know the directory you want to get notifications from. To get the directory we can use os.path.dirname () method in OS module. Connect and share knowledge within a single location that is structured and easy to search. Lets look at this beginning section of our output to understand better what it represents. This will return the location where the modules .py file exists. imp is NOT depreciated in python 2 (current version 2.7.13). ",modules [0],sep='') for modules in inspect.getmembers (os.path,inspect.ismodule): print ("os.path. I am getting an error. Using it is fairly simple: pi. Just install pyinspect's traceback at the start of your script: when get an error you'll get a helpful summary of what's going on with your code! Installing, updating and uninstalling. Make the path absolute, resolving any symlinks. Developed and maintained by the Python community, for the Python community. This is If the module isnt found in the current directory, Python then searches each directory in the shell variable. The inspect module provides the user to make use of functions/methods in it to fetch the source code for the same, extract and parse the needed library documentation. The source is more informative than dir() and a better habit to develop. For example to look for a method with export in the name in rich.console.Console: note: search also looks for methods matching your query ",modules [0],sep='') for modules in inspect.getmembers (os.path,inspect.ismodule): print ("os.path. The typing_inspect module defines experimental API for runtime inspection of types defined in the standard typing module. When you're programmatically running, This code is intended to go in python packages. Take a look at the following built-in functions: type () dir () id () getattr () hasattr () globals () locals () callable () type () and dir () are particularly useful for inspecting the type of an object and its set of attributes, respectively. When we import a module the Python interpreter searches for the module in the following manner: The sys.path contains the list of the current directory, PYTHONPATH, and the installation-dependent default. I just want to be able to set an environment variable so that I can pushd to the code. While this code may answer the question, providing additional context regarding, @dmb Not just a wrapper. I'm not sure if python updated this function in the last few years, but "help(object_name)" provides a full overview in a highly structured format. This module is used to fetch information about the functions, classes and modules in the particular users program. Is that even possible? All the pairs are presented in a Python List format. https://docs.python.org/2/library/inspect.html# I am trying to understand how to use the inspect module. Don't remember a function's name? "PyPI", "Python Package Index", and the blocks logos are registered trademarks of the Python Software Foundation. Can you identify this fighter from the silhouette? 1 Check out modulefinder: docs.python.org/library/modulefinder.html user1256374 Mar 8, 2012 at 6:19 19 If you are still looking on this site, please update the correct answer to this. It's a keeper. Specifying a -k flag before the argument will search the synopsis automatically imported. When I try to confirm it by running this confirmation code. python -m pydoc -b will start the server and additionally open a web The inspect modules getdoc() function extracts a particular class and its functions to represent to the end-user. Share Improve this answer Follow Perfect. If an object isn't printing well without that introspection, then that's the devs fault for not writing proper string and print methods (usually via __repr__). pathlib): In general importlib.resources can be considered when a task is about accessing paths/resources of a site package. And REALLY nice when trying to find the path of 64 bit sqlite3 and import fails. WebThe [ inspect] module provides useful functions to help obtain information about live objects such as modules, classes, methods, functions, traces, framework objects, and code objects.For example, it can help you inspect the contents of a class, retrieve the source code of a method, extract and format a function's parameter list, or get all the information you Should convert 'k' and 't' sounds to 'g' and 'd' sounds when they follow 's' in a word for pronunciation? To get the directory we can use os.path.dirname () method in OS module. Copy PIP instructions, View statistics for this project via Libraries.io, or by using our public dataset on Google BigQuery. For example. Unless a user-defined data type is being used, the class we passed into the function will always be the first element of the tuple. I'm starting to code in various projects using Python (including Django web development and Panda3D game development). Retrieving source code inspect.getdoc(object) Get the documentation string for an object, cleaned up with cleandoc().. inspect.getcomments(object) Return in a single string any lines of comments immediately preceding the objects source code (for a class, function, or method), or at the top of the Python source file (if the object is a module). Also check out PyDocs. doesn't work on my Linux python 2.6 since, An underrated answer. E.g. This will return the location where the modules .py file exists. Anyone who is intrested can add new tools by editing the In order to find objects and their documentation, pydoc imports the According to the docs. So I guess you can do: The inspect module provides several useful functions to help get How Do I Perform Introspection on an Object in Python 2.x? Help lets you read the docstring and get an idea of what attributes a class might have, which is pretty helpful.
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