created module in menu driven program

Python program with the help of module.py

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+import circle
+import rectangle
+import square
+import triangle
+print('\t\t\tmenu')
+print('1. area of circle')
+print('2. circumference of circle')
+print('3. area of rectangle')
+print('4. perimeter of rectangle')
+print('5. area of square')
+print('6. perimeter of square')
+print('7. area of triangle')
+print('8. perimeter of triangle')
+print('9. quit')
+choice=int(input('enter your choice-'))
+if choice==1:
+    radius=int(input('enter the radius-'))
+    print('the area is',circle.area(radius))
+elif choice==2:
+    radius=int(input('enter the radius-'))
+    print('the circumference is',circle.circumference(radius))
+elif choice==3:
+    width=int(input('enter the width-'))
+    length=int(input('enter the length-'))
+    print('the area is',rectangle.area(width,length))
+elif choice==4:
+    width=int(input('enter the width-'))
+    length=int(input('enter the length-'))
+    print('the perimeter is',rectangle.perimeter(width,length))
+elif choice==5:
+    side=int(input('enter the side of square-'))
+    print('the area of square is',square.area(side))
+elif choice==6:
+    side=int(input('enter the side of square-'))
+    print('the perimeter of square is',square.perimeter(side))
+elif choice==7:
+    a=int(input('enter the side of triangle-'))
+    b=int(input('enter the side of triangle-'))
+    c=int(input('enter the side of triangle-'))
+    print('the area of triangle is',triangle.area(a,b,c))
+elif choice==8:
+    a=int(input('enter the side of triangle-'))
+    b=int(input('enter the side of triangle-'))
+    c=int(input('enter the side of triangle-'))
+    print('the perimeter of triangle is',triangle.perimeter(a,b,c))
+elif choice==9:
+    print('quit')
+else:
+    ('invalid selection')   

find total bill 1.py

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+#aim to find the liberary charges
+d=int(input("enter the days-"))
+if d<=5 :
+    f=d*40
+elif d<=10 :
+    f=200+(d-5)*65
+else:
+    f=200+325+(d-10)*80    
+print("total cost is",f)