Learn about **Python Program to Find Area of Circle Using Function** in the below code example. Also refer the comments in the code snippet to get a detailed view about what’s actually happening.

Contents

#### Python Program to Find Area of Circle Using Function

```
# python program to find area of circle using functions
#import math module
import math
#function
def area_of_circle(r):
area = math.pi * r * r
return area
r = float(input('Enter the radius of the circle: '))
# print result
print('Area of circle = %.2f ' %area_of_circle(r))
```

**Output:**

Enter the radius of the circle: 2

Area of circle = 12.57

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