补充下列代码以完成下述功能:程序要求用户输入字符,用户输入1、2或者3中任意一个字符时,控制台打印对应的字符,程序跳出循环,否则,程序继续要求用户输入字符。 print("This program displays a famous movie quotation.") responses = ('1', '2', '3') response = '0' 1 2 if response == '1': print("Plastics.") elif response == '2': print("Rosebud.") 3 print("That's all folks.") else: 4 程序运行后控制台中交互如下(包含用户输入字符的过程): pydev debugger: starting (pid: 3732) This program displays a famous movie quotation. Enter 1, 2, or 3: 4 Enter 1, 2, or 3: 6 Enter 1, 2, or 3: 3.3 Enter 1, 2, or 3: 3 That's all folks.