[EDIT: this question is not a duplicate of this; I am asking a question of language design, i.e. why it is this way in the first place. I am not confused about how it behaves, I am confused about why this behavior was decided upon in the first place.] In Python (and some other languages, e.g. Lua), the boolea…
Tag: comparison-operators
Is there an operation for not less than or not greater than in python?
Suppose I have this code: That is: I want to do something when a is not negative. I know that I can write if a != 0: to check whether a is not equal to 0. So, I tried using if a !< 0:, following similar logic. However, this is apparently not supported: Why is this syntax invalid? What can
Why does “not(True) in [False, True]” return False?
If I do this: That returns True. Simply because False is in the list. But if I do: That returns False. Whereas not(True) is equal to False: Why? Answer Operator precedence 2.x, 3.x. The precedence of not is lower than that of in. So it is equivalent to: This is what you want: As @Ben points out: It’s re…