1. (Composition) Write a Pizza class so that this client code works. Please note that it is ok if the toppings are listed in a different order. >>> pie = Pizza() >>> pie Pizza('M',set()) >> pie.setsize('L') >>> pie.getsize() 'L' >>> pie.addTopping('pepperoni') >>> pie.addTopping ('anchovies') >>> pie.addTopping('mushrooms') >>> pie Pizza('L',{'anchovies', 'mushrooms', >>> pie.addTopping('pepperoni') >>> pie Pizza('L',{'anchovies', >>> pie.removeTopping('anchovies') >>> pie Pizza('L',{'mushrooms', 'pepperoni'}) >>> pie.price() pepperoni'}) 'mushrooms', pepperoni'}) 16.65 >>> pie2 = Pizza('L',{'mushrooms','pepperoni'}) >>> pie2 Pizza('L',{'mushrooms', >>> pie==pie2 'pepperoni'}) True The Pizza class should have two attributes(data items): size - a single character str, one of 'S','M’,L" toppings – a set containing the toppings. If you don't remember how to use a set, make sure you look it up in the book. Please note that toppings may be listed in a different order, but hw2TEST.py takes that into account. The Pizza class should have the following methods/operators): init - constructs a Pizza of a given size (defaults to 'M') and with a given set of toppings (defaults to empty set). I highly recommend you look at the Queue class in the book to see how to get this to work correctly. setSize – set pizza size to one of 'S','M’or 'L' getSize – returns size addTopping – adds a topping to the pizza, no duplicates, i.e., adding 'pepperoni' twice only adds it once removeTopping – removes a topping from the pizza price – returns the price of the pizza according to the following scheme: 'S': $6.25 plus 70 cents per topping 'M': $9.95 plus $1.45 per topping 'L': $12.95 plus $1.85 per topping repr - returns representation as a string – see output sample above. Note that toppings may be listed in a different order. _eq - two pizzas are equal if they have the same size and same toppings (toppings don't need to be in the same order)
1. (Composition) Write a Pizza class so that this client code works. Please note that it is ok if the toppings are listed in a different order. >>> pie = Pizza() >>> pie Pizza('M',set()) >> pie.setsize('L') >>> pie.getsize() 'L' >>> pie.addTopping('pepperoni') >>> pie.addTopping ('anchovies') >>> pie.addTopping('mushrooms') >>> pie Pizza('L',{'anchovies', 'mushrooms', >>> pie.addTopping('pepperoni') >>> pie Pizza('L',{'anchovies', >>> pie.removeTopping('anchovies') >>> pie Pizza('L',{'mushrooms', 'pepperoni'}) >>> pie.price() pepperoni'}) 'mushrooms', pepperoni'}) 16.65 >>> pie2 = Pizza('L',{'mushrooms','pepperoni'}) >>> pie2 Pizza('L',{'mushrooms', >>> pie==pie2 'pepperoni'}) True The Pizza class should have two attributes(data items): size - a single character str, one of 'S','M’,L" toppings – a set containing the toppings. If you don't remember how to use a set, make sure you look it up in the book. Please note that toppings may be listed in a different order, but hw2TEST.py takes that into account. The Pizza class should have the following methods/operators): init - constructs a Pizza of a given size (defaults to 'M') and with a given set of toppings (defaults to empty set). I highly recommend you look at the Queue class in the book to see how to get this to work correctly. setSize – set pizza size to one of 'S','M’or 'L' getSize – returns size addTopping – adds a topping to the pizza, no duplicates, i.e., adding 'pepperoni' twice only adds it once removeTopping – removes a topping from the pizza price – returns the price of the pizza according to the following scheme: 'S': $6.25 plus 70 cents per topping 'M': $9.95 plus $1.45 per topping 'L': $12.95 plus $1.85 per topping repr - returns representation as a string – see output sample above. Note that toppings may be listed in a different order. _eq - two pizzas are equal if they have the same size and same toppings (toppings don't need to be in the same order)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
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Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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In Python IDLE: How do I write a class to satisfy the problem in the attached image?
Transcribed Image Text:1. (Composition) Write a Pizza class so that this client code works. Please note that it is ok if
the toppings are listed in a different order.
>>> pie = Pizza()
>>> pie
Pizza('M',set())
>>> pie.setSize('L')
>>> pie.getSize()
'L'
>>> pie.addTopping('pepperoni')
>>> pie.addTopping('anchovies')
>>> pie.addTopping( 'mushrooms')
>>> pie
Pizza('L',{'anchovies',
>>> pie.addTopping('pepperoni')
>>> pie
Pizza('L',{'anchovies',
>>> pie.removeTopping('anchovies')
>>> pie
Pizza('L',{'mushrooms'
>>> pie.price()
'mushrooms'
'pepperoni'})
'mushrooms',
pepperoni'})
pepperoni'})
16.65
>>> pie2 = Pizza('L',{'mushrooms','pepperoni'})
>>> pie2
Pizza('L',{ 'mushrooms', 'pepperoni'})
>>> pie==pie2
True
The Pizza class should have two attributes(data items):
size - a single character str, one of 'S’,’M',L"
toppings – a set containing the toppings. If you don’t remember how to use a set, make
sure you look it up in the book. Please note that toppings may be listed in a different order,
but hw2TEST.py takes that into account.
The Pizza class should have the following methods/operators):
init
toppings (defaults to empty set). I highly recommend you look at the Queue class in the
book to see how to get this to work correctly.
- constructs a Pizza of a given size (defaults to 'M’) and with a given set of
setSize – set pizza size to one of 'S’,’M’or 'L'
getSize – returns size
addTopping – adds a topping to the pizza, no duplicates, i.e., adding 'pepperoni' twice only
adds it once
removeTopping – removes a topping from the pizza
price – returns the price of the pizza according to the following scheme:
'S': $6.25 plus 70 cents per topping
'M': $9.95 plus $1.45 per topping
'L': $12.95 plus $1.85 per topping
repr_ - returns representation as a string – see output sample above. Note that toppings
may be listed in a different order.
eq_ - two pizzas are equal if they have the same size and same toppings (toppings don't
need to be in the same order)
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