simulazione

from random import choice
N = 1000000
def occurences(sub, string):
    return sum(1 for i in range(len(string)) if string.startswith(sub, i))
seqs = [''.join(choice(['T', 'C']) for _ in range(100)) for _ in range(N)]
counts = [(seq.count('TC'), occurences('CC',seq)) for seq in seqs]
alice_wins = sum(b>a for a,b in counts)
bob_wins = sum(b<a for a,b in counts)
eq = N - alice_wins - bob_wins
print(f'Alice: {alice_wins/N*100}%')
print(f'Bob: {bob_wins/N*100}%')
print(f'Parità: {eq/N*100}%')