Question

ALL IN PYTHON PLEASE

*Prob*lem 4

Write a program to compute the area of a circle some 'n' times.
You must accept n and r from the user. Area is calculated using
(22/7.0)*r*r - where r is the radius. **Implement using
value-returning functions**. Hint: create a function to
calculate area taking r as a parameter. In the main() function, ask
for n and create a loop where you input r and invoke the area
function n times.

*Rubric:*

Correct use of a loop to perform n calculations for the user: 5
pts

Correct use of value-returning functions inside a loop structure:
10 pts

*Sample Output:*

Enter n: 3

Enter r: 34

Area is: 3633.14285714

Enter r: 23

Area is: 1662.57142857

Enter r: 43

Area is: 5811.1428571

Answer #1

**Source Code:**

**Output:**

**Code in text format (See above image of code for
indentation):**

#function definition to calculate area

def area(r):

#calculate area and return area

a=(22/7.0)*r*r

return a

#main function

def main():

#read n value from user

n=int(input("Enter n: "))

#using loop calculate area some n times

for i in range(n):

#read radius r from user

r=float(input("Enter r: "))

#print area by calling function

print("Area is: ",area(r))

#main function call

if __name__=="__main__":

main()

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