def add_city(state_id):
"""Creates City object"""
req = request.get_json()
state = storage.get("State", state_id)
if state is None:
abort(404)
if req is None:
return (jsonify("Not a JSON"), 400)
try:
req['name']
except:
return (jsonify("Missing name"), 400)
req['state_id'] = state_id
city_data = City(**req)
for k, v in req.items():
setattr(city_data, k, v)
city_data.save()
return (jsonify(city_data.to_json()), 201)
