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Message: [QUOTE="Bradley Wright, post: 5093502"] Confusing subject for a confusing problem (to a novice like me of course!) Thx for the help in advance folks I have (2) dictionaries: prices = { "banana": 4, "apple": 2, "orange": 1.5, "pear": 3 } stock = { "banana": 6, "apple": 0, "orange": 32, "pear": 15 } Here's my instructions: consider this as an inventory and calculate the sum (thats 4*6 = 24 bananas!) HERES MY CODE: for key in prices: print prices[key]*stock[key] HERES THE OUTPUT: 48.0 45 24 0 ISSUE: I need to find a way to add all of those together...any pointers? [/QUOTE]