alphabet_deque

__author__ = 'Nasty_Ney' + ' N_N ' + ' XP '

from collections import deque
from string import ascii_letters

nth_letter = 1
alpha = ascii_letters[26: 53]
alpha_deque = deque(alpha, maxlen=26)

while nth_letter < 27:
    first, second, third, all_others = 'st', 'nd', 'rd', 'th'
    current_letter = alpha_deque.popleft()
    # conditional logic
    if nth_letter == 1 or nth_letter == 21:
        print( '{0} is the {1}'.format(current_letter, nth_letter) + first + ' letter of the alphabet.' )
    elif nth_letter == 2 or nth_letter == 22:
        print( '{0} is the {1}'.format(current_letter, nth_letter) + second + ' letter of the alphabet.' )
    elif nth_letter == 3 or nth_letter == 23:
        print( '{0} is the {1}'.format(current_letter, nth_letter) + third + ' letter of the alphabet.' )
    else:
        print( '{0} is the {1}'.format(current_letter, nth_letter) + all_others + ' letter of the alphabet.' )

    nth_letter += 1