from collections import namedtuple
Diner = namedtuple("Diner", "name cuisine phone dish price")

diners = [
Diner("Thai Dishes", "Thai", "334-4433", "Mee Krob", 12.50),
Diner("Nobu", "Japanese", "335-4433", "Natto Temaki", 5.50),
Diner("Nonna", "Italian", "355-4433", "Stracotto", 25.50) ]

def diner_price(Diner):
     "This function takes an input of a diner and returns the price"
     return Diner.price

assert diner_price(Diner) == Diner.price
assert diner_price(Diner) == Diner.price
assert diner_price(0) == ValueError







Traceback (most recent call last):
  File "C:\Users\Asus\Downloads\lab3.py", line 114, in <module>
    assert diner_price(Diner) == diner.price
NameError: name 'diner' is not defined
>>>