法一：
!/usr/bin/env python
#_*_ coding:utf-8 _*_
count = 0
while True:
print("count:",count)
count +=1
if count == 100:
break
法二：
#!/usr/bin/env python
#_*_ coding:utf-8 _*_
age_of_jack = 26
count = 0
while count <3:
guess_age = int(input("guess age:"))
if guess_age == age_of_jack:
print("yes,you got it.")
break
elif guess_age >age_of_jack:
print("think smaller...")
else:
print("think bigger!")
count +=1
else:
print('you have tried too many times...fuck off.')
法三：
#!/usr/bin/env python
# -*- coding: utf-8 -*-
age_of_jack = 23
count = 0
while count <3:
guess_age = int(input('guess age:'))
if guess_age == age_of_jack:
print('yes,you got it.')
break
elif guess_age >age_of_jack:
print('think smaller...')
else:
print('think bigger!')
count +=1
if count == 3:
countine_confirm = input('do you want to keep guessing?')
if countine_confirm !='n':
count = 0