# L?sning 1
def badminton(per_vil, palle_vil, espen_vil):
    if espen_vil == True and per_vil == True and palle_vil == True:
        return False
    if per_vil == True:
        if palle_vil == True or espen_vil == True:
            return True
    if palle_vil == True:
        if per_vil == True or espen_vil == True:
            return True
    if espen_vil == True:
        if palle_vil == True or per_vil == True:
            return True
    return False

print(badminton(True, False, True))


# l?sning 2
def badminton2(per_vil, palle_vil, espen_vil):
    if (per_vil and palle_vil and not espen_vil) or (per_vil and espen_vil and not palle_vil) or (espen_vil and palle_vil and not per_vil):
        return True
    return False

print(badminton2(True, True, False))


# l?sning 3
def badminton3(per_vil, palle_vil, espen_vil):
    return (per_vil + palle_vil + espen_vil) == 2

print(badminton3(True, True, False))