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  1. 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: …

  2. 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 …

  3. What is Python's equivalent of && (logical-and) in an if-statement?

    Sep 13, 2023 · There is no bitwise negation in Python (just the bitwise inverse operator ~ - but that is not equivalent to not). See also 6.6. Unary arithmetic and bitwise/binary operations and …

  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 …

  5. 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. …

  6. Does Python have a ternary conditional operator?

    Dec 27, 2008 · 214 From the documentation: Conditional expressions (sometimes called a “ternary operator”) have the lowest priority of all Python operations. The expression x if C else …

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

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

  8. How can I check my python version in cmd? - Stack Overflow

    Jun 15, 2021 · I has downloaded python in python.org, and I wanted to check my python version, so I wrote python --version in cmd, but it said just Python, without version. Is there any other …

  9. 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 …

  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.