Rock Paper Scissors

from random import choice
RPS = {'p': 'PAPER', 'r': 'ROCK', 's': 'SCISSORS'}

ev_choices = {('p', 'r'):'p', ('p', 's'):'s',
              ('r', 'p'):'p', ('r', 's'):'r',
              ('s', 'p'):'s', ('s', 'r'):'r'}

foo = lambda x, y: f"\nUSER: {RPS.get(x, 'INVALID CHOICE')}\nCMP: {RPS[y]}"

u = c = 0

while True:
    print(f"\nUSER SCORE ({u}) \t\tCMP SCORE ({c})")
    print('\n>>Choose',*[f'({k}){v} :' for k,v in RPS.items()],end='')

    x, y = input(), choice(list(RPS.keys()))

    res = ev_choices.get((x,y), 2)

    res = (res == x) if res != 2 else 3 - (x == y)

    print(('LOSS', 'WIN', 'TIE', 'INVALID CHOICE!')[res], foo(x,y))

    u += (1==res)
    c += (0==res)