import calendar
def get_current_month_start_and_end(date):
"""
年份 date格式: 2017-09-08
给定一个日期，输出日期所在月的第一天0点和最后一天23点
:return: 本月第一天日期和本月最后一天日期
"""
if date.count('-') != 2:
raise ValueError('- is error')
year, month = str(date).split('-')[0], str(date).split('-')[1]
end = calendar.monthrange(int(year), int(month))[1]
start_date = '%s-%s-01 00:00:00' % (year, month)
end_date = '%s-%s-%s 23:59:59' % (year, month, end)
return start_date, end_date
if __name__ == "__main__":
pass
print(get_current_month_start_and_end("2020-10-22"))
