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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 getInterimValue(self, keyword):
 """Returns the value of an interim of this analysis """

        interims = filter(lambda item: item["keyword"] == keyword,
                          self.getInterimFields())
        if not interims:
            logger.warning("Interim '{}' for analysis '{}' not found"
                           .format(keyword, self.getKeyword()))
            return None
        if len(interims) > 1:
            logger.error("More than one interim '{}' found for '{}'"
                         .format(keyword, self.getKeyword()))
            return None
        return interims[0].get('value', '')