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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 open(self, *, autocommit=False):
 """Sets the connection with the core's open method. :param autocommit: the default autocommit state :type autocommit: boolean :return: self """

    if self.connection is not None:
      raise Exception("Connection already set")
    self.connection = self.core.open()
    self.autocommit = autocommit
    if self._search_path:
      self._configure_connection(
        "search_path",
        self._search_path)
    return self