題目:輸入某年某月某日,判斷這一天是這一年的第幾天?
代碼:
import datetime
y = int(input( "請輸入4位數字的年份:"))
m = int(input( "請輸入月份:"))
d = int(input( "請輸入是哪一天"))
targetDay = datetime.date(y,m,d)
dayCount = targetDay - datetime.date(targetDay.year -1, 12, 31)
print( "%s是 %s年的第%s天。"%(targetDay,y,dayCount.days))
結果: