## Write a function that:

## (i) Asks the user to input a diameter of circle in inches.

## (ii) Sets a variable called radius to one half of that number.

## (iii) Calculate the area of circle.

## (iv) Print the area of circle with appropriate unit.

## (v) Return this same amount as the output of the function.

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Answer:
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import math
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def
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circle_area
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():
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d=float(input(
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"Enter the diameter of the circle in inches: "
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))
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r=d/
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2
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area=(math.pi)*(r**
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2
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)
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print(
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"Area of a circle with diameter "
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,d,
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" inches is "
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,area,
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" sq inches"
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)
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```
```

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return (area)
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