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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 start_trace(self, full=False, frame=None, below=0, under=None):
 """Start tracing from here"""

        if self.tracing:
            return
        self.reset()
        log.info('Starting trace')
        frame = frame or sys._getframe().f_back
        # Setting trace without pausing
        self.set_trace(frame, break_=False)
        self.tracing = True
        self.below = below
        self.under = under
        self.full = full