python-简单计算器实现

1. 简单计算器实现

#!/usr/bin/env python3
# _*_ coding: utf-8 _*_
# Author:shichao
# File: .py

print("选择算术运算符")
print("1.加\n2.减\n3.乘\n4.除")


choice = input("请输入编号: ")
num1 = int(input("请输入第一个数字: "))
num2 = int(input("请输入第二个数字: "))

if choice == '1':
    c = num1 + num2
    print("相加结果为：%d" %c)
elif choice == '2':
    c = num1 - num2
    print("相减结果：%d" %c)
elif choice == '3':
    c = num1 * num2
    print(c)
elif choice == '4':
    c = num1 / num2
    print(c)
else:
    print("输入错误，请重新输入")