编写程序，输入日期(年、月、日)，输出它是该年的第几天。要求调用例7-10中定义的函数 day_of_year(year, month, day)。
编写程序，输入日期(年、月、日)，输出它是该年的第几天。要求调用例7-10中定义的函数 day_of_year(year, month, day)。
It is usually to show the date in the order of day/month/year (American practice), or month/day/year (British practice).
It is usually to show the date in the order of day/month/year (American practice), or month/day/year (British practice).
Boxing Day has become the day of the year with the greatest revenue.
Boxing Day has become the day of the year with the greatest revenue.
How long are a day and a year?
How long are a day and a year?
is the Earth Day every year?
is the Earth Day every year?
New Year's Day is the time for British people to makenew year resolutions.
New Year's Day is the time for British people to makenew year resolutions.
Australia Day is celebrated every year on ( ).
Australia Day is celebrated every year on ( ).
New Year is the first day of a year.
New Year is the first day of a year.
On January 1st is ___ . A: New Year's Day B: Valentine's Day
On January 1st is ___ . A: New Year's Day B: Valentine's Day
October 1 is _________. A: May Day B: Children’s Day C: National Day D: New Year’s Day
October 1 is _________. A: May Day B: Children’s Day C: National Day D: New Year’s Day