Built-in functions in Python3, example tutorials-continuous updates daily

Source: Internet
Author: User

All
>>> m = []>>> n = [1,2,3]>>> L = [1, ']>>> All (M) true>>> all (n) true>>& Gt All (L) false>>>
Dir

Without arguments, return the list of names in the current local scope.
eg


>>> dir () [' __builtins__ ', ' __doc__ ', ' __loader__ ', ' __name__ ', ' __package__ ', ' __spec__ ']>>> m=[] >>> dir () [' __builtins__ ', ' __doc__ ', ' __loader__ ', ' __name__ ', ' __package__ ', ' __spec__ ', ' m ']>>>


With an argument, attempt to return a list of valid attributes for that object.
eg


>>> m=[]>>> dir (m) [' __add__ ',  ' __class__ ',  ' __contains__ ',  ' __ delattr__ ',  ' __delitem__ ',  ' __dir__ ',  ' __doc__ ',,  ' __eq__ ',  ' __format__ ',  ' __ge__ ',  ' __getattribute__ ',  ' __getitem__ ',  ' __gt__ ' ',  ' __hash__ ',  ' __iadd__ ',  ' __imul_ _ ',  ' __init__ ',  ' __iter__ ',  ' __le__ ',  ' __len__ ',  ', ' __lt__ ',,  ' __mul__ ',  ' __ne __ ',  ' __new__ ',  ' __reduce__ ',  ' __reduce_ex__ ',  ' __repr__ ',  ', __reversed__ ',  ' __ rmul__ ',  ' __setattr__ ',  ' __setitem__ ',  ', __sizeof__ ',  ' __str__ ',  ' __subclasshook__ ',   ' Append ',  ' clear ',  ' copy ',  ' count ',  ' extend ',  ' index ',  ' Insert ',  ' pop ',  ' remove ',  ' reverse ',  ' sort ']>>>



Built-in functions in Python3, example tutorials-continuous updates daily

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