# -*- coding: utf-8 -*-
import datetime
day = datetime.datetime.strptime('2020-2-18 10:54:45', '%Y-%m-%d %H:%M:%S')
day = datetime.datetime.strftime(day, '%H:%M')
print(day)
# 取今天日期
day = datetime.datetime.now().strftime('%Y-%m-%d')
print(day)
# datetime.datetime.strptime 可以比 > 时间大小