python重载是什么意思

from functools import singledispatch  

@singledispatch

def function(obj):

    print('%r'%(obj))

@function.register(int)

def function_int(obj):

    print('Integer: %d'%(obj))

@function.register(str)

def function_int(obj):

    print('String: %s'%(obj))

@function.register(list)

def function_list(obj):

    print('List: %r'%(obj))

if __name__ == "__main__":

     function(1)

     function('hello')

     function(range(3))

     function(object)