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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 src_to_dst(self, src_uri):
 """Return the dst filepath from the src URI. Returns None on failure, destination path on success. """

        m = re.match(self.src_uri + "/(.*)$", src_uri)
        if (m is None):
            return(None)
        rel_path = m.group(1)
        return(self.dst_path + '/' + rel_path)