Python获取某月的第一天和最后一天

import datetime
import calendar
 
# 获取第一天和最后一天
def getFirstAndLastDay(year,month):
    # 获取当前月的第一天的星期和当月总天数
    weekDay,monthCountDay = calendar.monthrange(year,month)
    # 获取当前月份第一天
    firstDay = datetime.date(year,month,day=1)
    # 获取当前月份最后一天
    lastDay = datetime.date(year,month,day=monthCountDay)
    # 返回第一天和最后一天
    return firstDay,lastDay
 
# 获取当前年份
year = datetime.date.today().year
 
# 获取当前月份
month = datetime.date.today().month
 
lastday = getLastDay(year, month)
print(lastday)