def all_relevant_registers_filled(registers, relevant_registers) :
    """
    @param registers : a dictionary of each register content { 'register #': 'value' }
    @param relevant_registers : an ordered list of register indexes related to that method call
    
    @rtype : True if all the relevant_registers are filled, False if not 
    """ 
    answer = True
    for i in relevant_registers :
        # assert a False answer for null registers from the "move-result" instruction
        if not(i in registers) or (i in registers and len(registers[i]) < 1) :
            answer = False

    return answer