for循環(huán)語句示例應用

 age = 22
#優(yōu)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...')
'''
#優(yōu)化后：要求輸入用戶名輸入正確以后不執(zhí)行語句
'''
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 #跳出整個循環(huán)
        elif guess_num > age:
            print('Think smaller!')
        else:
            print('Think Big...')
    else:
        print('too many attumt.bye')
        break
'''
#再優(yōu)化：要求循環(huán)3次后詢問一次
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 #跳出整個循環(huán)
        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 #跳出本次循環(huán)
        else:
            print('bye')
            break
    counter += 1    #counter = counter + 1