<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def _busy_wait_ms(self, ms):
 """Busy wait for the specified number of milliseconds."""

        start = time.time()
        delta = ms/1000.0
        while (time.time() - start) <= delta:
            pass