strings = ["do", "re", "mi"]
print(",".join(strings))


print("b".join(["a"]))


row = ["1", "bob", "developer", "python"]
print(",".join(str(x) for x in row))

print(*row, sep=",")


ganadores = {"pedro", "pablo"}
jugadores = {"miguel", "antonio", "juan"}
print(jugadores.isdisjoint(ganadores))