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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 about …

  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: @property @classmethod …

  3. 现在装什么Python的版本? - 知乎

    现在装什么 Python 版本比较合适? 截止到 2025 年,Python 的官方最新稳定版本是 3.12.x,而 3.13 已经进入稳定发布阶段(部分库的兼容性还在逐渐完善)。

  4. slice - How slicing in Python works - Stack Overflow

    Python slicing is a computationally fast way to methodically access parts of your data. In my opinion, to be even an intermediate Python programmer, it's one aspect of the language that it is necessary to be …

  5. 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...

  6. What does [:-1] mean/do in python? - Stack Overflow

    Mar 20, 2013 · Working on a python assignment and was curious as to what [:-1] means in the context of the following code: instructions = f.readline()[:-1] Have searched on here on S.O. and on Google but to …

  7. python - Iterating over a dictionary using a 'for' loop, getting keys ...

    Mar 16, 2017 · In Python 3, the iteration has to be over an explicit copy of the keys (otherwise it throws a RuntimeError) because my_dict.keys() returns a view of the dictionary keys, so any change to my_dict …

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

    Sep 2, 2017 · 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 Certificates.command'.

  9. How can I find where Python is installed on Windows?

    Mar 15, 2009 · I want to find out my Python installation path on Windows. For example: C:\\Python25 How can I find where Python is installed?

  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.