Python学习实践-----打印日历

#输出日历 def print_calendar(year,month,date = 1): month_dict = {':'July', ':'December'} #数字月份转换为字符串,并判断月份和号数是否合法 if month in range(1,13) and date in range(1,31): month_str = str(month) if month_str in month_dict: month_str = month_dict[month_str] else: print('月份或号数输入不合法') return -1 #头部 print('%15s%8d'%(month_str,year)) print('-'*33) print('Sun Mon Tue Wed Thu Fri Sat') #得到每月1号是星期几 first_day = get_start_day(year,month,1) #得到此月有多少天 month_num = days_of_month(year,month) each_day = 0 #主体 for index in range(1,43): if index < first_day + 1: print(' '*5,end = '') else: if (index - 1) % 7 == 0: print('') each_day += 1 if each_day > month_num: return False if each_day < 10: if each_day == date: print('%-5s'%('--'),end = '') else: print(' %-4d'%(each_day),end = '') else: if each_day == date: print('%-5s'%('--'),end = '') else: print('%-5d'%(each_day),end = '') #输入一个年月日，判断是星期几 #需要一个比较标准：2010-1-1是星期五 #计算当前距离标准过了多少天(total_days % 7 + 5 -1)%7 #先遍历年份，是闰年+366，不是+365 #再遍历月份，31,30,29,28 def get_start_day(year,month,date): total_days = 0 #遍历年份 for one_year in range(2010,year): if is_leap_year(one_year): total_days += 366 else: total_days += 365 #print(total_days) #遍历月份 for one_month in range(1,month): total_days += days_of_month(year,one_month) #print(total_days) #加上当月号数,则求得总共过了多少天 total_days += date #求输入的年月日是星期几 day = (total_days % 7 + 5 - 1) % 7 #print(total_days) #print(day) return day #输入一个年份和月份，输出这月有多少天 #1,3,5,7,8,10,12--------31天 #4,6,9,11 --------------30天 #如果是闰年2------------29天 #不是闰年 2-------------28天 def days_of_month(year,month): days = 0 if month in (1,3,5,7,8,10,12): days = 31 elif month in (4,6,9,11): days = 30 elif is_leap_year(year): days = 29 else: days = 28 return days def is_leap_year(year): if year % 4 == 0 and year % 100 != 0 or year % 400 == 0: return True return False def main(): print('*'*33) year = int(input('请输入年份：')) month = int(input('请输入月份：')) date = int(input('请输入号数：')) print('*'*33) #某年某月有多少天 #days = days_of_month(year,month) #print('{}年{}月有{}天'.format(year,month,days)) #某年某月某日是星期几 #day = get_start_day(year,month,date) #print('{}年{}月{}日是星期{}'.format(year,month,date,day)) #打印日历 print_calendar(year,month,date) #执行 main()