PROGRAMMING:Finding the area of a circle
Enter the radius of the circle and calculate the area of the circle (Π = 3.14159)
###Input format:
Enter the radius of the circle, which can be a decimal or an integer.
###Output format:
Output results, the area required to retain 2 decimal places. The output format is: radius is ××× What is the area of the circle ×××
### Input example:
Here is a set of inputs. For example:
```in
two
```
###Output example:
The corresponding output is given here. For example:
```out
The area of a circle with radius 2 is 12.57
```
answer：If there is no answer, please comment
###Input format:
Enter the radius of the circle, which can be a decimal or an integer.
###Output format:
Output results, the area required to retain 2 decimal places. The output format is: radius is ××× What is the area of the circle ×××
### Input example:
Here is a set of inputs. For example:
```in
two
```
###Output example:
The corresponding output is given here. For example:
```out
The area of a circle with radius 2 is 12.57
```
answer：If there is no answer, please comment