# File: ChapterControlFunc/menu2.py
"""
Compute circle. Enter radius? 1.1
0.quit
1.area
2.circumference
Option (0 quit-1-2)? 0
Bye
"""
PI = 3.14
def area(r):
    print (r *r *PI)

def circ(r):
    print (2 * r * PI)

def main():
    op = 1
    while (op  != 0) :
        r = float(input("Compute circle. Enter radius? "))
        print("0.quit\n1.area\n2.circumference")
        op = int(input("Option (0 quit-1-2)? " )) # option
        if (op == 1):
            area(r)
        elif (op == 2):
            circ(r)
        elif  (op == 0):
             print("Bye")
        else:
            print("Bad option")

main()