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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 CreateTaskStart(self):
 """Creates a task start. Returns: TaskStart: task start attribute container. """

    task_start = TaskStart()
    task_start.identifier = self.identifier
    task_start.session_identifier = self.session_identifier
    task_start.timestamp = self.start_time
    return task_start