Can anyone plz fix this error?

Question

# 🚨 Don't change the code below 👇
print("Welcome to Python Pizza Deliveries!")
size = input("What size pizza do you want? S, M, or L ")
add_pepperoni = input("Do you want pepperoni? Y or N ")
extra_cheese = input("Do you want extra cheese? Y or N ")
# 🚨 Don't change the code above 👆

#Write your code below this line 👇

bill=0

if size ==S:
bill = 15
print ('Small pizza is for $15 ')
if add_pepperoni ==Y:
bill += 2
elif size ==M:
bill = 20
print ("Medium pizza is for $20")
if add_pepperoni ==Y:
bill += 3
elif size ==L:
bill = 25
print('Large pizza is for $25')
if add_pepperoni==Y:
bill += 3

if extra_cheese ==Y:
bill += 1

print(f'Your total bill is ${bill}')

Answer 1

try putting S, M, and L in quotes.

like:

if size == 'S':
...

Answer 2

"Y" has to be in quotation marks in all if statements, too.

Answer 3

# Welcome message with menu and price list
print("""
Welcome to NCAIR's pizza place :)
Let us take your order:

Menu and price list>>>

Sizes;
Small pizza : $15
Medium pizza : $20
Large pizza : $25

Condiments and extras;
Pepperoni for small pizza : +$1
Pepperoni for medium or large : +$2
Extra cheese for any pizza : +$1

PLACE YOUR ORDER..
""")

# Ask for pizza size
pizzaSize = input(""" Enter the size of pizza you would like to order
"S" for small size
"M" for medium size
"L" for large size
""").lower()

# Calculate initial bill based on pizza size
if pizzaSize == "s":
bill = 15
elif pizzaSize == "m":
bill = 20
elif pizzaSize == "l":
bill = 25
else:
print("Invalid input. Please try again.")
exit()

# Ask if user wants toppings and condiments
toppings = input("Would you like to add toppings and condiments? (yes or no) ").lower()

# Provide options for toppings and update b

Answer 4

Saurabh You're comparing it with an undeclared variable. Try putting Y, S, M and L in quotes so that you're comparing size with a string.