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  1. def get_week_from_yyyymmdd(y, m, d):
  2.     ''' 年月日から曜日を算出
  3.         1582年～（グレゴリオ暦）に限る
  4.  
  5.         戻り値 int
  6.             0: 日曜日
  7.             6: 土曜日
  8.     '''
  9.  
  10.     # 1月、2月は、前年の13月、14月として扱う
  11.     if m <= 2:
  12.         y -= 1
  13.         m += 12
  14. #   print('{}年{}月{}日'.format(y, m, d))
  15.  
  16.     x = y + y // 4
  17.     x -= y // 100
  18.     x += y // 400
  19.     x += (m * 13 + 8) // 5
  20.     x += d
  21.     w = x % 7
  22.  
  23.     weeks = '日月火水木金土'
  24. #   print('{}曜日'.format(weeks[w]))
  25.  
  26.     return w
  27.  
  28.  
  29. def make_days_in_months(year):
  30.     def is_leapyear(y):
  31.         ''' うるう年判定
  32.         '''
  33.         result = False
  34.         if y % 4 == 0:
  35.             result = True
  36.             if y % 100 == 0 and y % 400 != 0:
  37.                 result = False
  38.         return result
  39.  
  40.     days_in_months = [31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31]
  41.     if is_leapyear(year) is True:
  42.         days_in_months.remove(28)
  43.         days_in_months.insert(1, 29)
  44.     return days_in_months
  45.  
  46.  
  47. def main(year, month):
  48.     days_in_months = make_days_in_months(year)
  49.     days = list(range(1, days_in_months[month - 1] + 1))
  50.  
  51.     day = 1
  52.     week = get_week_from_yyyymmdd(year, month, day)
  53.     dumy = [0] * week
  54.     days = dumy + days
  55.  
  56.     print()
  57.     print('     {}年{}月'.format(year, month))
  58.     print('---------------------')
  59.     print(' 日 月 火 水 木 金 土')
  60.     print('---------------------')
  61.     for count, i in enumerate(days, start=1):
  62.         if i == 0:
  63.             print('   ', end='')
  64.             continue
  65.         print(' {:2}'.format(i), end='')
  66.         if count % 7 == 0 and i != days[-1]:
  67.             print('')
  68.     print('\n---------------------')
  69.  
  70.  
  71. if __name__ == '__main__':
  72.     while True:
  73.         y = int(input('Year (1582～): '))
  74.         if 1582 <= y:
  75.             break
  76.     while True:
  77.         m = int(input('Month: '))
  78.         if 0 < m < 13:
  79.             break
  80.     main(y, m)
  81.  
Runtime error #stdin #stdout #stderr 0.02s 9336KB
comments (?)
stdin
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Standard input is empty
stdout
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Year (1582～):
stderr
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Traceback (most recent call last):
  File "./prog.py", line 73, in <module>
EOFError: EOF when reading a line
https://ideone.com/vV9XaB
language:
Python 3 (python  3.9.5)
created:
5 years ago
visibility:
public

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