python:根据给定日期返回星期几
import re # regular expressions
import calendar
import datetime # module of python to get the date and time
def process_date(user_input):
user_input = re.sub(r"/",
import re # regular expressions
import calendar
import datetime # module of python to get the date and time
def process_date(user_input):
user_input = re.sub(r"/",