meng.guessCoin.py

#! python3
# guessCoin.py
import random

guess = ''
while guess not in ('heads', 'tails'):
    print('Guess the coin toss! Enter heads or tails:')
    guess = input().lower()

toss = ('tails', 'heads')[random.randint(0, 1)] # 0 is tails, 1 is heads

if toss == guess:
    print('You got it!')
else:
    print('Nope! Guess again!')
    guess = input().lower()
    if toss == guess:
        print('You got it!')
    else:
        print('Nope! You are really bad at this game.')