SYMBOL INDEX (4 symbols across 1 files)

FILE: app.py
  function get_pets (line 12) | def get_pets(limit, animal_type=None):
  function get_pet (line 16) | def get_pet(pet_id):
  function put_pet (line 21) | def put_pet(pet_id, pet):
  function delete_pet (line 34) | def delete_pet(pet_id):