pyhton学习 - if，for语句

#!usr/bin/env python
# -*- coding:utf-8 -*-
# Author:Zhuyuzhe

MyAge = 20

# V1
GuessAge = int( input('input your guess age:') )
if GuessAge == MyAge:
    print('Congratulations! 猜对了')
elif GuessAge > MyAge:
    print('猜大了！')
else:
    print('猜小了!')


# V2
print('input your guess age:')
for i in range(10):
    if i < 3:
        GuessAge = int( input() )
        if GuessAge == MyAge:
            print('Congratulations! 猜对了')
            break   # 回答正确，跳出整个循环
        elif GuessAge > MyAge:
            print('猜大了！')
        else:
            print('猜小了!')
    else:
        print('太多次了！')
        break


# V3
counter = 0
for i in range(20):
    print('------>counter:',counter)
    if counter < 3:
        GuessAge = int( input('input your guess age:') )
        if GuessAge == MyAge:
            print('Congratulations! 猜对了')
            break   # 回答正确，跳出整个循环
        elif GuessAge > MyAge:
            print('猜大了！')
        else:
            print('猜小了!')
    else:
        continue_confirm = input('还想继续吗？（Y/N）')
        if continue_confirm == 'y':
            counter = 0
            continue
        else:
            print('再见！')
            break
    counter += 1