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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 convert_timestamp_to_epoch(cls, timestamp, tsformat):
 """Converts the given timestamp into a float representing UNIX-epochs. :param string timestamp: Timestamp in the defined format. :param string tsformat: Format of the given timestamp. This is used to convert the timestamp into UNIX epochs. For valid examples take a look into the :py:func:`time.strptime` documentation. :return: Returns an float, representing the UNIX-epochs for the given timestamp. :rtype: float """

        return time.mktime(time.strptime(timestamp, tsformat))