dayOfYear

gistfile1.txt

#!/usr/bin/env python
# coding: utf-8
import operator


def dayOfYear(year, month, day):
    # we suppose input is always correct
    if year % 4 == 0 and (year % 100 != 0 or year % 400 == 0):
        monthDays = [31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31]
    else:
        monthDays = [31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31]

    return reduce(operator.add, monthDays[:month - 1]) + day if month > 1 else day