coin flip

from random import choice
class coin:
    def flip(self, x):
        myList = ['head', 'tails']
        rand = choice(myList)
        if x == rand:
            print('You win! :D')
        else:
            print('Better luck next time D:')
while True:
    usrin = input("Head or Tails : ").lower()
    cf = coin()
    cf.flip(usrin)