#!/usr/bin/python

# -*- coding: utf-8 -*-

import sys

# Functions to apply basic arithmetic

# operations on 2 numbers

# Each func, takes 2 numbers as input

add = lambda a, b: a + b

subtract = lambda a, b: a - b

multiply = lambda a, b: a * b

divide = lambda a, b: a / b

modulus = lambda a, b: a % b

# CLI

# Testing/Playing Interface

i = 0

while True:

if raw_input("\n\n[{}] Exit(press e) or Calculate(press c): ".format(i)) == "c":

op = raw_input("\nAdd(press a), Subtract(press s), Multiply(press m),\nDivide(press d), Modulus(press mo): ").strip().lower()

if op == "a":

print(" Sum: " + str(add(float(raw_input("\nN1: ")), float(raw_input("N2: ")))))

elif op == "s":

print(" Subtracted: " + str(subtract(float(raw_input("\nN1: ")), float(raw_input("N2: ")))))

elif op == "m":

print(" Multiplied: " + str(multiply(float(raw_input("\nN1: ")), float(raw_input("N2: ")))))

elif op == "d":

print(" Divided: " + str(divide(float(raw_input("\nN1: ")), float(raw_input("N2: ")))))

else:

print(" Modulus: " + str(modulus(float(raw_input("\nN1: ")), float(raw_input("N2: ")))))

i += 1

else:

print("\nHope you enjoyed!")

sys.exit()