code: def find(fn, record):
      
      values_result = fn(record.values())
      keys_result = [k for k, v in record.items() if v == values_result]
      return {keys_result[0]: values_result}
docs: Apply a function on the record and return the corresponding new record
  
      :param fn: a function
      :param record: a dictionary
      :returns: a dictionary
  
      >>> find(max, {'Terry': 30, 'Graham': 35, 'John': 27})
      {'Graham': 35}