Python_练习实例_(1)计算天数

题目：输入某年某月某日，判断这一天是这一年的第几天？web year = int(input("Enter year:")) month = int(input("Enter month:")) day = int(input("Enter day:")) day_list = [31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31] if month>

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