Python 3.13.0 (tags/v3.13.0:60403a5, Oct 7 2024, 09:38:07) [MSC v.1941 64 bit (AMD64)] on win32 Type "copyright", "credits" or "license()" for more information. DreamPie 1.2.1 >>> xs = 'Ahoj!' >>> len(xs) 0: 5 >>> dir(xs) 1: ['__add__', '__class__', '__contains__', '__delattr__', '__dir__', '__doc__', '__eq__', '__format__', '__ge__', '__getattribute__', '__getitem__', '__getnewargs__', '__getstate__', '__gt__', '__hash__', '__init__', '__init_subclass__', '__iter__', '__le__', '__len__', '__lt__', '__mod__', '__mul__', '__ne__', '__new__', '__reduce__', '__reduce_ex__', '__repr__', '__rmod__', '__rmul__', '__setattr__', '__sizeof__', '__str__', '__subclasshook__', 'capitalize', 'casefold', 'center', 'count', 'encode', 'endswith', 'expandtabs', 'find', 'format', 'format_map', 'index', 'isalnum', 'isalpha', 'isascii', 'isdecimal', 'isdigit', 'isidentifier', 'islower', 'isnumeric', 'isprintable', 'isspace', 'istitle', 'isupper', 'join', 'ljust', 'lower', 'lstrip', 'maketrans', 'partition', 'removeprefix', 'removesuffix', 'replace', 'rfind', 'rindex', 'rjust', 'rpartition', 'rsplit', 'rstrip', 'split', 'splitlines', 'startswith', 'strip', 'swapcase', 'title', 'translate', 'upper', 'zfill'] >>> len(xs) 2: 5 >>> xs.__len__() 3: 5 >>> len('Baf!') 4: 4 >>> 'Baf!'.__len__() 5: 4 >>> 'abc' + 'DEF' 6: 'abcDEF' >>> 'abc'.__add__('DEF') 7: 'abcDEF' >>> 'DEF'.__radd__('abc') Traceback (most recent call last): File "<pyshell#9>", line 1, in <module> 'DEF'.__radd__('abc') ^^^^^^^^^^^^^^ AttributeError: 'str' object has no attribute '__radd__'. Did you mean: '__add__'? >>> xs = str('ahoj') >>> xs 8: 'ahoj' >>> def fn(): ... pass >>> dir(fn) 9: ['__annotations__', '__builtins__', '__call__', '__class__', '__closure__', '__code__', '__defaults__', '__delattr__', '__dict__', '__dir__', '__doc__', '__eq__', '__format__', '__ge__', '__get__', '__getattribute__', '__getstate__', '__globals__', '__gt__', '__hash__', '__init__', '__init_subclass__', '__kwdefaults__', '__le__', '__lt__', '__module__', '__name__', '__ne__', '__new__', '__qualname__', '__reduce__', '__reduce_ex__', '__repr__', '__setattr__', '__sizeof__', '__str__', '__subclasshook__', '__type_params__'] >>> fn.__name__ 10: 'fn' >>> fn.baf = 666 >>> fn.baf 11: 666 >>> dir(fn) 12: ['__annotations__', '__builtins__', '__call__', '__class__', '__closure__', '__code__', '__defaults__', '__delattr__', '__dict__', '__dir__', '__doc__', '__eq__', '__format__', '__ge__', '__get__', '__getattribute__', '__getstate__', '__globals__', '__gt__', '__hash__', '__init__', '__init_subclass__', '__kwdefaults__', '__le__', '__lt__', '__module__', '__name__', '__ne__', '__new__', '__qualname__', '__reduce__', '__reduce_ex__', '__repr__', '__setattr__', '__sizeof__', '__str__', '__subclasshook__', '__type_params__', 'baf'] >>> 'abc' @ 'DEF' Traceback (most recent call last): File "<pyshell#18>", line 1, in <module> 'abc' @ 'DEF' ~~~~~~^~~~~~~ TypeError: unsupported operand type(s) for @: 'str' and 'str' >>>