Here we are going to implement an easy simple calculator program in Python. We are going to implement Addition, Subtraction, Multiplication, and Division.

To understand this example, you should have knowledge of following Python programming topics:

When you execute the program it will ask for entering choice and according to choice, it will do the calculation.

## Source Code For Simple Calculator in Python

# Simple Calculator for Add, Sub, Mul and Div # StudyGyaan.com def Addition (num1,num2): return num1+num2 def Substraction (num1,num2): return num1-num2 def Multiplication (num1,num2): return num1*num2 def Division (num1,num2): return num1/num2 print("Enter two number for calculation") num1 = int(input("Enter a number1: ")) num2 = int(input("Enter a number2: ")) print("Enter your choice \n 1. Addition \n 2. Substraction \n 3. Multiplication \n 4.Division") choice = int(input()) if choice == 1: #Addition print("Addition",Addition(num1,num2)) elif choice ==2: #Substraction print("Substraction",Substraction(num1,num2)) elif choice ==3: #Multiplication print("Multiplication",Multiplication(num1,num2)) elif choice == 4: #Division print("Division",Division(num1,num2))

It’s also available on GitHub: https://github.com/studygyaan/python-tutorial/blob/master/python-simple-calculator.py