Dictionary Whose Keys Warehouses Associated Warehouse Inner Dictionary Whose Keys Stocked Q43885276
in a dictionary whose keys are the warehouses: associated witheach warehouse is an inner dictionary whose keys are the stockedproducts (and whose associated values are the inventory of thatproduct in the warehouse). The inventory must always be anon-negative value; an inventory of 0 is legal. For example, asimple/small database might be.
db = {‘Irvine’ : {‘brush’: 3, ‘comb’: 2, ‘wallet’: 2},’Newport’: {‘comb’: 7, ‘stapler’: 0},
‘Tustin’ : {‘keychain’: 3, ‘pencil’: 4, ‘wallet’: 3}}
This data structure means that
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The Irvine warehouse stocks 3 brushes, 2 combs, and 2wallets.
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The Newport warehouse stocks 7 combs, and 0 staplers.
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The Tustin warehouse stocks 3 keychains, 4 pencils, and 3wallets.
(c) The by_store_inventory2 function returns a list of 2-tuples(str,int) (warehouse names and inventory), sorted ascending bywhich warehouses have the largest inventory (summed over all theproducts). If two warehouses store the same inventory, they shouldappear in ascending order of warehouse name: for the db dictionaryabove the result is [(‘Irvine’, 7), (‘Newport’, 7), (‘Tustin’,10)].
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