time1='2022-03-22T06:00:44.528Z'
import time
time2=time.strptime(time1,'%Y-%m-%dT%H:%M:%S.%fZ') # strptime根据指定的格式将时间字符串转成元组
print(time2) #time.struct_time(tm_year=2022, tm_mon=3, tm_mday=22, tm_hour=6, tm_min=0, tm_sec=44, tm_wday=1, tm_yday=81, tm_isdst=-1)
time3=time.strftime('%Y-%m-%d',time2)
print(time3) #2022-03-22