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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_fields(self, serializer_fields):
 """ Get fields metadata skipping empty fields """

        fields = OrderedDict()
        for field_name, field in serializer_fields.items():
            # Skip tags field in action because it is needed only for resource creation
            # See also: WAL-1223
            if field_name == 'tags':
                continue
            info = self.get_field_info(field, field_name)
            if info:
                fields[field_name] = info
        return fields