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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 junction_overlap(self,tx,tolerance=0):
 """Calculate the junction overlap between two transcripts :param tx: Other transcript :type tx: Transcript :param tolerance: how close to consider two junctions as overlapped (default=0) :type tolerance: int :return: Junction Overlap Report :rtype: Transcript.JunctionOverlap """

    self._initialize()
    return JunctionOverlap(self,tx,tolerance)