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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 CollectFromKnowledgeBase(cls, knowledge_base):
 """Collects values from knowledge base values. Args: knowledge_base (KnowledgeBase):
 to fill with preprocessing information. """

    for preprocess_plugin in cls._knowledge_base_plugins.values():
      logger.debug('Running knowledge base preprocessor plugin: {0:s}'.format(
          preprocess_plugin.__class__.__name__))
      try:
        preprocess_plugin.Collect(knowledge_base)
      except errors.PreProcessFail as exception:
        logger.warning(
            'Unable to collect knowledge base value with error: {0!s}'.format(
                exception))