# Python Example Program to Find the Area of a Circle using Radius

Learn to write a Simple Python Program to find the Area of a Circle using radius value.

In this program we ask the user to enter the radius value and then we calculate the circle area and then we display it.

#### Source Code for area of a circle.py

```
1 #www.ExampleProgram.com
2
3 #import the math module to get pi value
4 import math
5
6 #read radius of the circle from user
7 radius = float(input("Enter the radius of the circle : "))
8
9 #calculate area
10 area = math.pi * radius * radius
11
12 #display result
13 print("Area of the Circle is : {0}".format(area))
```