Operate

#!usr/local/bin/python3.8
# -*- coding: utf-8 -*import
OPERATORS = ('+', '-', '*', '/')


def plus(*args):
    return sum(args)


def minus(*args):
    args = list(args)
    result = 0
    for x in args:
        result -= x
    return result


def multiply(*args):
    args = list(args)
    result = 1
    for i in args:
        result *= i
    return result


def div(*args):
    args = list(args)
    if 0 not in args:
        result = 1
        for i in args:
            result /= i
        return result
    else:
        return 0


operations = {
        '+': plus,
        '-': minus,
        '*': multiply,
        '/': div,
    }


def operate(*args):
    operator = args[0]
    args = args[1:]
    if operator in OPERATORS:
        if args:
            result = operations[operator](*args)
            return result
        else:
            return 0