code: def resolve(self, *keys):
          '''
          Returns resolved instances for given provider keys.
  
          If only one positional argument is given, only one is returned.
  
          :param keys: Provider keys
          :type keys: tuple
          :return: Resolved instance(s); if only one key given, otherwise list of them.
          :rtype: object or list
          '''
          instances = list(self.iresolve(*keys))
          if len(keys) == 1:
              return instances[0]
          return instancef resolve(self, *keys):
          '''
          Returns resolved instances for given provider keys.
  
          If only one positional argument is given, only one is returned.
  
          :param keys: Provider keys
          :type keys: tuple
          :return: Resolved instance(s); if only one key given, otherwise list of them.
          :rtype: object or list
          '''
          instances = list(self.iresolve(*keys))
          if len(keys) == 1:
              return instances[0]
          return instances
docs: Returns resolved instances for given provider keys.
  
          If only one positional argument is given, only one is returned.
  
          :param keys: Provider keys
          :type keys: tuple
          :return: Resolved instance(s); if only one key given, otherwise list of them.
          :rtype: object or list