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

    96 What does the “at” (@) symbol do in Python? @ symbol is a syntactic sugar python provides to utilize decorator, to paraphrase the question, It's exactly about what does decorator do in …

  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. 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 …

  4. Is there a "not equal" operator in Python? - Stack Overflow

    16 Meith 2012 · There's the != (not equal) operator that returns True when two values differ, though be careful with the types because "1" != 1. This will always return True and "1" == 1 will …

  5. operators - Python != operation vs "is not" - Stack Overflow

    In a comment on this question, I saw a statement that recommended using result is not None vs result != None What is the difference? And why might one be recommended over the other?

  6. Does Python have a ternary conditional operator?

    27 Noll 2008 · Python is a syntax-rich language with lots of idiomatic tricks that aren't immediately apparent to the dabbler. But the more you learn and understand the mechanics of …

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

    16 Márta 2017 · Why is it 'better' to use my_dict.keys() over iterating directly over the dictionary? Iteration over a dictionary is clearly documented as yielding keys. It appears you had Python 2 …

  8. The tilde operator in Python - Stack Overflow

    29 Samh 2011 · In Python, for integers, the bits of the twos-complement representation of the integer are reversed (as in b <- b XOR 1 for each individual bit), and the result interpreted again …

  9. syntax - What does __all__ mean in Python? - Stack Overflow

    That file is what makes the directory an actual Python package. For example, say you have the following files in a package: package ├── __init__.py ├── module_1.py └── module_2.py Let's …

  10. What is the purpose of the single underscore "_" variable in Python?

    5 Beal 2011 · As far as the Python languages is concerned, _ generally has no special meaning. It is a valid identifier just like _foo, foo_ or _f_o_o_. The only exception are match statements …