<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def start(self, *msg):
 """ Prints an start message """

        self.start_time = datetime.datetime.now()
        label = colors.purple("START")
        self._msg(label, *msg)