When you can never remember how many days each month has

Write a function that returns the number of days in a given month. (non leap years)

how_many_days_in('December') == 31
how_many_days_in('February') == 28
import unittest


class HowManyDaysInAMonth(unittest.TestCase):
    def test_how_many_days_month(self):
        self.assertEqual(how_many_days_in('December'), 31)
        self.assertEqual(how_many_days_in('June'), 30)
        self.assertEqual(how_many_days_in('February'), 28)
        self.assertEqual(how_many_days_in('May'), 31)