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  1. What does colon equal (:=) in Python mean? - Stack Overflow

    In Python this is simply =. To translate this pseudocode into Python you would need to know the data structures being referenced, and a bit more of the algorithm implementation. Some notes …

  2. What does the "at" (@) symbol do in Python? - Stack Overflow

    An @ symbol at the beginning of a line is used for class and function decorators: PEP 318: Decorators Python Decorators - Python Wiki The most common Python decorators are: …

  3. python - Why do some functions have underscores - Stack Overflow

    2024年5月24日 · In Python, the use of an underscore in a function name indicates that the function is intended for internal use and should not be called directly by users. It is a …

  4. python - What does ** (double star/asterisk) and * (star/asterisk) …

    2008年8月31日 · See What do ** (double star/asterisk) and * (star/asterisk) mean in a function call? for the complementary question about arguments.

  5. How do I declare custom exceptions in modern Python?

    By "modern Python" I mean something that will run in Python 2.5 but be 'correct' for the Python 2.6 and Python 3.* way of doing things. And by "custom" I mean an Exception object that can …

  6. python - Importing files from different folder - Stack Overflow

    I have this folder structure: application ├── app │ └── folder │ └── file.py └── app2 └── some_folder └── some_file.py How can I import a function from file.py, from within som...

  7. python - SSL: CERTIFICATE_VERIFY_FAILED with Python3 - Stack …

    2017年9月2日 · Go to the folder where Python is installed, e.g., in my case (Mac OS) it is installed in the Applications folder with the folder name 'Python 3.6'. Now double click on 'Install …

  8. python - Iterating over dictionaries using 'for' loops - Stack Overflow

    2010年7月21日 · In Python 3.x, iteritems() was replaced with simply items(), which returns a set-like view backed by the dict, like iteritems() but even better. This is also available in 2.7 as …

  9. python - Errno 13 Permission denied - Stack Overflow

    2020年7月16日 · PermissionError: [Errno 13] Permission denied: 'C:\\Users\\****\\Desktop\\File1' I looked on the website to try and find some answers and I saw a post where somebody …

  10. python - How can I add new keys to a dictionary? - Stack Overflow

    How do I add a new key to an existing dictionary? It doesn't have an .add () method.