将字符串和日期互相转换

将字符串转换为日期

import datetime
datestr = “1993-01-01”
print(type(datastr))

date = datetime.datetime.strptime(datestr, “%Y-%m-%d”)
print(date)
print(type(date))

将日期转换为字符串

import datetime
all_date = datetime.datetime.now()
print(all_date)
print(type(all_date))
date = datetime.datetime.now().date()
print(date)
print(type(date))

datestr = str(date)
print(datestr)
print(type(datestr))