36 lines
735 B
Python
36 lines
735 B
Python
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def is_year_leap(year):
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if year % 4 == 0:
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return True
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else:
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return False
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def days_in_month(year, month):
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days = [31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31]
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if is_year_leap(year) == True:
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days[1] = 29
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return days[month - 1]
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def day_of_year(year, month, day):
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if month < 1 or month > 12:
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return None
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elif day < 1 or day > 31:
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return None
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elif day > 29 and is_year_leap(year) == True and month == 2:
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return None
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elif day > 28 and is_year_leap(year) == False and month == 2:
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return None
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day_ = day
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for i in range(1,month):
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mo = days_in_month(year,i)
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day_ += mo
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return day_
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print(day_of_year(2001,2,29))
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