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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 _strip_datetime(self, sub_line):
 """Strip datetime and other parts so that there is no redundancy."""

        try:
            begin = sub_line.index(']')
        except ValueError:
            return sub_line
        else:
            # create a "" in place character for the beginnings..
            # needed when interleaving the lists
            sub = sub_line[begin + 1:]
            return sub