def contains_all_answers(qas, n_answers):
    """
    Checks if we have identified all the answers for our tuple (Q,A1,A2,A3,A4)
    
    Args:
    
    qas: A tuple of the form (Q,A1,A2,A3,A4). Each exam is a string
    n_answers: Number of expected answers
    """
    
    all = True
     
    for i in range(1,n_answers+1):
        all = all and qas[i].startswith(str(i)+".")

    return all