Python: Add Two Numbers

1. Introduction

In the realm of programming, one of the fundamental tasks often given to beginners is the addition of two numbers. This task, although basic, provides a foundation to understand variables, data types, user input, and basic output operations.

In this blog post, we will learn how to write a Python program to add two numbers.

2. Program Overview

The Python program that we'll develop will carry out the following steps:

1. Prompt the user to input two numbers.

2. Convert the entered values to integers.

3. Sum the two integers.

4. Display the result to the user.

3. Code Program

# Taking input from the user
num1 = float(input("Enter first number: "))
num2 = float(input("Enter second number: "))

# Adding the numbers
sum = num1 + num2

# Displaying the result
print(f"The sum of {num1} and {num2} is {sum}")

Output:

Enter first number: 5.5
Enter second number: 6.5
The sum of 5.5 and 6.5 is 12.0

4. Step By Step Explanation

1. We start by taking input from the user. The input() function returns a string, so we convert this string into a float which can handle both integers and decimal numbers.

2. Next, we add the two numbers using the + operator.

3. Finally, we display the result using Python's formatted string, commonly known as f-string. The f-string provides an easy way to embed expressions inside string literals.