python学习之老男孩python全栈第九期_day019作业

# 计算时间差

 import time
 start_time = time.mktime(time.strptime('2017-09-11 08:30:00','%Y-%m-%d %H:%M:%S'))
 end_time = time.mktime(time.strptime('2018-07-30 08:30:00','%Y-%m-%d %H:%M:%S'))
 dif_time = end_time - start_time
 dif_time = time.gmtime(dif_time)
 print('过去了%d年%d月%d天%d小时%d分钟%d秒'%(dif_time.tm_year-1970,dif_time.tm_mon-1,dif_time.tm_mday-1,dif_time.tm_hour,dif_time.tm_min,dif_time.tm_sec))

# 验证码

 import random
 def v_code():
     '''
     验证码
     :return:
     '''
     code = ''
     for count in range(4):
         digit_code = random.randint(0,9)
         word_code = chr(random.randint(65,90))
         add_code = random.choice([digit_code,word_code])
         code = ''.join([code,str(add_code)])
     return code