Use lambda expressions to achieve 1.3 functions, and test the function in the main function.

-Using lambda expressions to achieve 1.3 functions, and test the function functions in the main function.

def sum(lst):  # 求列表内全部数字的和并输出
    allSum = 0
    for x in lst:
        allSum += int(x)
    print(allSum)


def main():  # 主函数
    print("请输入数字，数字间用一个空格隔开。")
    p = input()
    s = p.split(" ") #分割输入的字符串
    g = lambda *args: sum(args[0])  # 匿名函数调用sum函数
    g(s)


if __name__ == "__main__":
    main()