CMDs = ["prt", "prtr", "prtm"]


def prt(self, operand):
    print(operand[0])


def prtr(self, operand):
    if len(operand) > 0:
        print(self.registers[int(operand[0])], end="")
    else:
        print(self.registers, end="")


def prtm(self, operand):
    if len(operand) > 0:
        print(self.dtMemory[int(operand[0])], end="")
    else:
        print(self.dtMemory, end="")