while True: print("Please tell me your height!\nEnter 'quit' to end the program.") s = input() if s == 'quit': break elif float(s)<1.0 : print('Your admission cost is 0 yuan.') elif 1.0<=float(s)<=1.2 : print('Your admission cost is 80 yuan.') elif float(s)>1.2: print('Your admission cost is 150 yuan.')