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  • 9 Comments
Joined 4 months ago
Cake day: December 21st, 2024
  • takeda@lemm.eetomemes@lemmy.world•Don't do it
    7·
    7 days ago

    Are you sure?

    I can’t test it now, but to me it looks like () is an empty tuple. Python behavior is that for logic operations empty set equals to false. Then we apply not to get True. Not having space between not operator and parentheses makes it look like it is a function.

  • takeda@lemm.eetomemes@lemmy.world•Don't do it
    24·
    6 days ago

    Python, but this is actually defined and documented behavior.

    Edit: to illustrate what I mean:

    not() # True

    this actually is not () (the lack of space makes it look like a function), () is a tuple, in python an empty collection returns False, this is to make checks simpler. You can type:

    if my_list:
  do something

    instead of

    if len(my_list) > 0:
  do something

    not negates it so you get True

    str(not()) # 'True'

    converts resulting bool type into a string representation

    min(str(not())) # 'T'

    This might feel odd, but that’s also documented. min() not only allows to compare two numbers like it is in most languages, but you can also provide a sequence of values and it will return the smallest one.

    String is a sequence of letters.

    Letters are comparable according to ASCII (so you can do sorting). In ASCII table capital letters are first, so the ‘T’ is the smallest value.

    ord(min(str(not()))) # 84

    this just converts ‘T’ to Unicode value which is 84

    range(ord(min(str(not())))) # range(0, 84)

    This creates a sequence of numbers from 0 to 83

    sum(range(ord(min(str(not()))))) # 3486

    This works like min() except adds up all the numbers in the sequence together, so in our case 0+1+2+3+…+83 = 3486

    chr(sum(range(ord(min(str(not())))))) # 'ඞ'

    reverse of ord(), converts Unicode value to a character.