Python Name Binding and Aliasing Functions


title: Python Name Binding and Aliasing Functions

A function definition introduces the function name in the current symbol table. The value of the function name has a type that is recognized by the interpreter as a user-defined function.

>>> something = 1 >>> type(something) <type 'int'> >>> def something(): ... pass ... >>> type(something) <type 'function'> >>> something = [] >>> type(something) <type 'list'>

This value can be assigned to another name which can then also be used as a function. This serves as a general renaming mechanism:

>>> fib <function fib at 10042ed0> >>> f = fib >>> f(100) 0 1 1 2 3 5 8 13 21 34 55 89

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