It appears you had Python 2 in mind when you answered this, because in Python 3 for key in my_dict. It is a valid identifier just like _foo, foo_ or _f_o_o_. So for integers, ~x is equivalent to (-x) - 1. Aug 5, 2010 · What does the &gt;&gt; operator do? For example, what does the following operation 10 &gt;&gt; 1 = 5 do? Nov 29, 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 as a twos-complement integer. Experience seamless coding in your browser. source Otherwise, any special meaning of _ is purely by 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 Python? Put it simple decorator allow you to modify a given function's definition without touch its innermost (it's closure). The only exception are match statements since Python 3. 0, released in 2008, was a major revision and not completely backward-compatible with earlier versions. Mar 16, 2017 · Why is it 'better' to use my_dict. Mar 21, 2023 · In Python this is simply =.

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