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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def init(self):
 """ Download the flash algorithm in RAM """


        self.target.halt()
        self.target.reset_and_halt()

        # update core register to execute the init subroutine

        result = self._call_function_and_wait(self.flash_algo['pc_init'], init=True)

        # check the return code
        if result != 0:
            logging.error('init error: %i', result)

        # erase the cookie which take up one page
        self.erase_sector(0x01000000)
        time.sleep(.5)

        #do a hardware reset which will put the pc looping in rom
        self.target.dp.reset()
        time.sleep(1.3)

        # reconnect to the board
        self.target.dp.init()
        self.target.dp.power_up_debug()

        self.target.halt()
        self.target.reset_and_halt()

        # update core register to execute the init subroutine
        result = self._call_function_and_wait(self.flash_algo['pc_init'], init=True)

        # check the return code
        if result != 0:
            logging.error('init error: %i', result)