for循环语句示例应用

 age = 22
 #优化前
 '''
 for i in  range(10):
     guess_num = int(input('input your guess num:'))
     if guess_num == age :
         print('Congratulations ! you got it.')
     elif guess_num > age:
         print('Think smaller!')
     else:
         print('Think Big...')
 '''
 #优化后：要求输入用户名输入正确以后不执行语句
 '''
 for i in  range(10):
     if i < 3:
         guess_num = int(input('input your guess num:'))
         if guess_num == age :
             print('Congratulations ! you got it.')
             break #跳出整个循环
         elif guess_num > age:
             print('Think smaller!')
         else:
             print('Think Big...')
     else:
         print('too many attumt.bye')
         break
 '''
 #再优化：要求循环3次后询问一次
 counter = 0
 for i in  range(10):
     print('counter',counter)
     if counter < 3:
         guess_num = int(input('input your guess num:'))
         if guess_num == age :
             print('Congratulations ! you got it.')
             break #跳出整个循环
         elif guess_num > age:
             print('Think smaller!')
         else:
             print('Think Big...')
     else:
         continue_confirm = input('Do you want to continue because you are stupid:')
         if continue_confirm == 'y':
             counter = 0
             continue #跳出本次循环
         else:
             print('bye')
             break
     counter += 1    #counter = counter + 1