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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 _set_trace(self, skip=0):
 """Start debugging from here."""

        frame = sys._getframe().f_back
        # go up the specified number of frames
        for i in range(skip):
            frame = frame.f_back
        self.reset()
        while frame:
            frame.f_trace = self.trace_dispatch
            self.botframe = frame
            frame = frame.f_back
        self.set_step()
        sys.settrace(self.trace_dispatch)