code: def compile_query(query: dict) -> PyQuery:
      
  
      def _pair_to_dict(pair):
          if isinstance(pair, dict):
              return pair
          return {pair[0]: pair[1]}
  
      def _reduce(pair):
          try:
              return {'and': (_pair_to_dict(pair[0]), _pair_to_dict(pair[1]))}
          except (KeyError, IndexError):
              return _pair_to_dict(pair)
  
      def _get_first_pair(d: dict):
          return list(query.items())[0]
  
      if len(query) < 2:
          return compile_single_item(*_get_first_pair(query))
      try:
          reduced = reduce(lambda x, y: _reduce((x, y)), query.items())
      except KeyError:
          print(query)
          reduced = query
          raise
      return compile_single_item(*_get_first_pair(reduced))
docs: Compiles a query
      Syntax:
          TBA