#呼叫datetime函數，傳回今天日期的『年，月，日』
from datetime import datetime 
def ymd():
    now = datetime.now()
    year = now.year
    month = now.month
    day = now.day
    return year,month,day

y,m,d = ymd()
print('今天是=',y,'年',m,'月',d,'日')