22a. decipher.py

Write a function decipher(codex, secret_message) that uses the dictionary codex to decode secret message.

For example:

codex = {"s": "i",  "y": "a",  "e": "m",  "q": "g",  "p": "r",  "n": "o",  "t": "t"}  decipher(codex, "S ye Qpnnt!")

Would return:

I am Groot!

b. auto_correct.py

Write a function auto_correct(correct_words,text) where correct_words is a dictionary that maps commonly misplelled words to their correct spelling. Use correct words to autocorrect any applicable mispellings in text.

correct_words= {"Teh": "The",  "mispelled": "misspelled",  "corects": "corrects"}  auto_correct(correct_words, "Teh function corects mispelled words!")

Would return:

The function corrects misspelled words!

c. shopping_cart_total.py

Write a function shopping_cart_total(cart, prices) where cart is a dictionary that maps shopping items to the quantity bought (eg. forks: 4) and prices is a dictionary that maps store items to how much they cost (eg. milk: 2.99). Use cart and prices to compute the total cost of all items in the cart.

For example:

cart = {"apple": 3, "soup": 5, "ramen": 3, "milk": 1} prices = {"apple": 1, "soup": 3, "ramen": 1, "milk": 2}  shopping_cart_total(cart, prices)

Would return:

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