python学习：1.5.1函数的参数，不定参数

# -*- coding: utf-8 -*-
"""
Created on Thu May  9 16:30:37 2019

@author: Administrator
"""

def sum(*data):
    s = 0
    for var in data:
        s += var
    return s

print(sum(1, 2, 3, 4))

运行：

10