code: def stringify_query(query):
          
  
          if isinstance(query, QueryBuilder):
              # Get string-representation of the passed :class:`pysnow.QueryBuilder` object
              return str(query)
          elif isinstance(query, dict):
              # Dict-type query
              return '^'.join(['%s=%s' % (k, v) for k, v in six.iteritems(query)])
          elif isinstance(query, six.string_types):
              # Regular string-type query
              return query
          else:
              raise InvalidUsage('Query must be of type string, dict or a QueryBuilder object')
docs: Stringifies the query (dict or QueryBuilder) into a ServiceNow-compatible format
  
          :return:
              - ServiceNow-compatible string-type query