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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 get_content_field(self, name):
 """ Get the contents of a specific subtag from Clusterpoint Storage's response's content tag. Args: name -- A name string of the content's subtag to be returned. Returns: A dict representing the contents of the specified field or a list of dicts if there are multiple fields with that tag name. Returns None if no field found. """

        fields = self._content.findall(name)
        if not fields:
            return None
        elif len(fields) == 1:
            return etree_to_dict(fields[0])[name]
        else:
            return [etree_to_dict(field)[name] for field in fields]