PYTHON : Write a function orderPizza that allows the user input to build a pizza

Question

PYTHON :

Write a function orderPizza that allows the user input to build a pizza. It then prints a thank you message, the cost of the pizza and then returns the Pizza that was built.

>>> orderPizza()

Welcome to Python Pizza!

What size pizza would you like (S,M,L): M

Type topping to add (or Enter to quit): mushroom

Type topping to add (or Enter to quit): onion

Type topping to add (or Enter to quit): garlic

Type topping to add (or Enter to quit):

Thanks for ordering!

Your pizza costs $14.299999999999999

Pizza('M',{'mushroom', 'onion', 'garlic'})

>>> orderPizza()

Welcome to Python Pizza!

What size pizza would you like (S,M,L): L

Type topping to add (or Enter to quit): calamari

Type topping to add (or Enter to quit): garlic

Type topping to add (or Enter to quit):

Thanks for ordering!

Your pizza costs $16.65

Pizza('L',{'garlic', 'calamari'})

>>> p=orderPizza()

Welcome to Python Pizza!

What size pizza would you like (S,M,L): S

Type topping to add (or Enter to quit):

Thanks for ordering!

Your pizza costs $6.25

>>> p

Pizza('S',set())

>>>

Explanation / Answer

def orderPizza():
print "Welcome to Python Pizza!"
p = 0
size = raw_input('What size pizza would you like (S,M,L): ')
if(p =='S'):
p = 5
elif(p=='M'):
p = 10
else:
p = 15
list = []
while(True):
t = raw_input("Type topping to add (or Enter to quit):")
if(t==""):
break
list.append(t)
p = p + 2
  
print "Thanks for ordering!"
print "Your pizza costs $",p
  
print "Pizza('",size,"',",list,")"
  
orderPizza()
  

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