# File: ChapterControlFunc/menu4.py """ Compute circle. Enter radius?1 1.area 2.circ 0.quit Option? 1 area= 3.142 Compute circle. Enter radius?2 1.area 2.circ 0.quit Option? 2 circ= 12.5664 Compute circle. Enter radius?1 1.area 2.circ 0.quit Option? 0 Bye """ import math def area(r): return (r *r * math.pi) def circ(r): return (2 * r * math.pi) def main(): op = 1 while (op != 0): r = float(input("Compute circle. Enter radius?")) print("1.area\n2.circ\n0.quit") op = int(input("Option? " )) # option if (op == 1): print("area=",round(area(r),3)) elif (op == 2): print("circ=",round(circ(r),4)) elif (op == 0): print("Bye") else: print("Bad option") main()