编写程序实现,输入年、月、日,输出这一天是该年的第几天。 分析:如输入月份为1,则直接输出该日即可,如果输入月份为2,则用该日加上1月份的31天即可,后面依次类推。 提示: (1)用三个变量year 、month 、day分别表示年、月、日,并从键盘分别输入; (2)设变量leap,如果year是闰年,则leap取1,否则leap取0; (3)判断month是否1-12中的值,分别计算对应的day,即day=day+30还是day=day+31; 其中,当2月份时,要注意day=day+28+leap。
编写程序实现,输入年、月、日,输出这一天是该年的第几天。 分析:如输入月份为1,则直接输出该日即可,如果输入月份为2,则用该日加上1月份的31天即可,后面依次类推。 提示: (1)用三个变量year 、month 、day分别表示年、月、日,并从键盘分别输入; (2)设变量leap,如果year是闰年,则leap取1,否则leap取0; (3)判断month是否1-12中的值,分别计算对应的day,即day=day+30还是day=day+31; 其中,当2月份时,要注意day=day+28+leap。
He didn't know anything about business, so starting his own business was _______. A: a leap into the cloud B: a leap in the dark C: a leap into the whole D: a leap into the unknown
He didn't know anything about business, so starting his own business was _______. A: a leap into the cloud B: a leap in the dark C: a leap into the whole D: a leap into the unknown
A normal year has 12 lunar months with about _____ days in each month, and during the leap year an extra month is added.( )。 A: 29 B: 28 C: 31 D: 30
A normal year has 12 lunar months with about _____ days in each month, and during the leap year an extra month is added.( )。 A: 29 B: 28 C: 31 D: 30
The typical length of time between the first day of one period and the first day of the next is __________ days in young women, and __________ days in adults (an average of 28 days).
The typical length of time between the first day of one period and the first day of the next is __________ days in young women, and __________ days in adults (an average of 28 days).
NASA’s Next Giant Leap
NASA’s Next Giant Leap
用户输入公元年份和月份,程序输出这个月的日历(注意区分闰年和平年,2月份天数不同)。 print("本程序用于输出某个月份的日历") year=int(input("请输入公元年份:")) month=int(input("请输入月份:")) if ____________________________: #判断是不是闰年,闰年2月份多一天 leap=True else: leap=False if month in (1,3,5,7,8,10,12): days=31 elif month in (4,6,9,11): days=31 elif month==2: if ___: #leap为true则为闰年,2月份29天 days=29 else: days=28 else: print("一年只有12个月!") print("公元",year,month,"月的日历如下:") for day in range(1,days+1): print(day,"日",end=" ") 提示: 判断闰年的公式,年数能被4整除,并且不能被100整除;或者能被400整除。 测试程序,请分别输入2000年2月,和2001年2月,查看程序输出
用户输入公元年份和月份,程序输出这个月的日历(注意区分闰年和平年,2月份天数不同)。 print("本程序用于输出某个月份的日历") year=int(input("请输入公元年份:")) month=int(input("请输入月份:")) if ____________________________: #判断是不是闰年,闰年2月份多一天 leap=True else: leap=False if month in (1,3,5,7,8,10,12): days=31 elif month in (4,6,9,11): days=31 elif month==2: if ___: #leap为true则为闰年,2月份29天 days=29 else: days=28 else: print("一年只有12个月!") print("公元",year,month,"月的日历如下:") for day in range(1,days+1): print(day,"日",end=" ") 提示: 判断闰年的公式,年数能被4整除,并且不能被100整除;或者能被400整除。 测试程序,请分别输入2000年2月,和2001年2月,查看程序输出
When is Leadership Day? A: On October 7, 2017. B: On November 6, 2017. C: On December 18, 2017. D: On December 28, 2017.
When is Leadership Day? A: On October 7, 2017. B: On November 6, 2017. C: On December 18, 2017. D: On December 28, 2017.
In the UK, on the 29th of February in a leap year, the girl can propose to her partner._________
In the UK, on the 29th of February in a leap year, the girl can propose to her partner._________
Those years that have 366 days a year are called "leap years.” ( )
Those years that have 366 days a year are called "leap years.” ( )
magnificent leap means A: 壮观地一跳 B: 娴熟地一跃
magnificent leap means A: 壮观地一跳 B: 娴熟地一跃