python assert with error message - PrivacyWall

https://stackoverflow.com/questions/5142418/what-is-the-use-of-as...

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What is the use of "assert" in Python? - Stack Overflow

assert (condition, message) Example: >>> assert (1==2, 1==1) <stdin>:1: SyntaxWarning: assertion is always true, perhaps remove parentheses? You will be running the assert with a (condition, message) which represents a tuple as the first parameter, and this happens cause non-empty tuple in Python is always True.

https://realpython.com/python-assert-statement/

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Python's assert: Debug and Test Your Code Like a Pro

In this tutorial, you'll learn how to use Python's assert statement to document, debug, and test code in development. You'll learn how assertions might be disabled in production code, so you shouldn't use them to validate data. You'll also learn about a few common pitfalls of assertions in Python.

https://www.geeksforgeeks.org/python-assertion-error/

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Assertion Error - Python - GeeksforGeeks

Your All-in-One Learning Portal: GeeksforGeeks is a comprehensive educational platform that empowers learners across domains-spanning computer science and programming, school education, upskilling, commerce, software tools, competitive exams, and more.

https://www.pythoncentral.io/how-to-use-pythons-assert-keyword-ex...

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How To Use Python’s Assert Keyword: Examples and Common Errors

In Python, assert is a keyword and not a method – and it's best to make a note of it right when you start learning about it. Many confuse assert for being a method that causes issues of all kinds. With the fair warning out of the way, let's look at the assert's syntax.

https://note.nkmk.me/en/python-assert-usage/

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The assert statement in Python | note.nkmk.me - nkmk note

Built-in Constants - __debug__ — Python 3.11.4 documentation; Therefore, if you execute Python like python -O xxx.py, __debug__ becomes False, and no assert checks will be performed. The assert statement is purely for debugging. If you need to verify conditions during actual operation, use exception handling.

https://docs.pytest.org/en/7.1.x/how-to/assert.html

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How to write and report assertions in tests — pytest documentation

This allows you to use the idiomatic python constructs without boilerplate code while not losing introspection information. However, if you specify a message with the assertion like this: assert a % 2 == 0, "value was odd, should be even" ... so asserts in supporting modules which are not themselves test modules will not be rewritten.

https://www.csestack.org/python-assert/

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Python AssertionError Exception and Assert Message | Example - CSEStack

Have you heard about ‘assert’ in Python? Or you may have got ‘AssertionError’ while executing any project code. In this Python tutorial, you will learn Python assert a statement with examples and how to use it in your code. You will also learn to write Python assert message and unit test cases using it. Let’s start with the basic first.

https://www.datacamp.com/tutorial/understanding-the-python-assert...

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How to Use the Assert Statement in Python - DataCamp

By using the word "assert", Python implements these programming assertions with very literal syntax: The assert statement allows us to create these assertions. When to use Python assertions Assertions are invaluable for debugging, validating assumptions, and ensuring your code behaves as expected under specific conditions.

https://www.delftstack.com/howto/python/handle-the-python-asserti...

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How to Handle the Python Assertion Error and Find the Source of Error

Using the traceback module, we can write our print statement with placeholders, {}.. Further, we can specify different variables for holding the file’s name, the line number, the name of the function, and the text where the exception occurs.

https://hackr.io/blog/python-assert-statement

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Python Assert Statement | Docs With Examples - Hackr

The assert statement follows this syntax: assert condition, optional_message. condition: The expression to evaluate. optional_message: (Optional) A message displayed if the assertion fails. When to Use assert. Debugging: Validate assumptions while developing code. Checking function inputs: Ensure function arguments meet expected conditions.

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