presidents.py

from datetime import date, datetime, timedelta

birthdays = {
    'George Washington': date(1732, 2, 22),
    '    John Adams': date(1735, 10, 30),
    'Thomas Jefferson': date(1743, 4, 13),
    'James Madison': date(1751, 3, 16),
    'James Monroe': date(1758, 4, 28),
    'Andrew Jackson': date(1767, 3, 15),
    'John Quincy Adams': date(1767, 7, 11),
    'William Henry Harrison': date(1773, 2, 9),
    'Martin Van Buren': date(1782, 12, 5),
    'Zachary Taylor': date(1784, 11, 24),
    '    John Tyler': date(1790, 3, 29),
    'James Buchanan': date(1791, 4, 23),
    'James K. Polk': date(1795, 11, 2),
    'Millard Fillmore': date(1800, 1, 7),
    'Franklin Pierce': date(1804, 11, 23),
    'Andrew Johnson': date(1808, 12, 29),
    'Abraham Lincoln': date(1809, 2, 12),
    'Ulysses S. Grant': date(1822, 4, 27),
    'Rutherford B. Hayes': date(1822, 10, 4),
    'Chester A. Arthur': date(1829, 10, 5),
    'James A. Garfield': date(1831, 11, 19),
    'Benjamin Harrison': date(1833, 8, 20),
    'Grover Cleveland': date(1837, 3, 18),
    'William McKinley': date(1843, 1, 29),
    'Woodrow Wilson': date(1856, 12, 28),
    'William H. Taft': date(1857, 9, 15),
    'Theodore Roosevelt': date(1858, 10, 27),
    'Warren G. Harding': date(1865, 11, 2),
    'Calvin Coolidge': date(1872, 7, 4),
    'Herbert Hoover': date(1874, 8, 10),
    'Franklin D. Roosevelt': date(1882, 1, 30),
    'Harry S. Truman': date(1884, 5, 8),
    'Dwight D. Eisenhower': date(1890, 10, 14),
    'Lyndon B. Johnson': date(1908, 8, 27),
    'Ronald Reagan': date(1911, 2, 6),
    'Richard Nixon': date(1913, 1, 9),
    'Gerald Ford': date(1913, 7, 14),
    'John F. Kennedy': date(1917, 5, 29),
    'George H. W. Bush': date(1924, 6, 12),
    'Jimmy Carter': date(1924, 10, 1),
    'Donald Trump': date(1946, 6, 14),
    'George W. Bush': date(1946, 7, 6),
    'Bill Clinton': date(1946, 8, 19),
    'Barack Obama': date(1961, 8, 4)
}

total = 0
count = 0
for pres in birthdays:
    total += birthdays[pres].timetuple().tm_yday
    count += 1
    print('{}\t{}\t{}\t{}'.format(pres, birthdays[pres], birthdays[pres].isoformat(), birthdays[pres].timetuple().tm_yday).expandtabs(23))

average = total / count
print('\nAVERAGE ::: {} ::: {}'.format(average, datetime(2017, 1, 1) + timedelta(average - 1)))