return_function.py

#!/usr/bin/env python3
# -*- coding:utf-8 -*-
# github:https://github.com/tangthis
def lazy_sum(*args):
    def sum():
        ax = 0
        for n in args:
            ax = ax + n
        return ax
    return sum

f = lazy_sum(1,3,5,7,9)
print(f)
print(f())