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a guest Jul 22nd, 2019 102 Never
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1. ebeebay is a online marketplace. A Seller in ebeebay wants to sell Q quantity for P price each.
2. And there are many interested buyers - 1st buyer want to purchase Q1 quantities at P1 price each.
3. and 2nd buyer wants to purchase Q2 qunaities at P2 price each. so on.. where Q = Q1 + Q2 + Q3 + ... + Qn.
4. ebeebay is a neutral market place where it tries to find the mid price for both parties and make a best deal.
5.
6. Example
7. SELLER wants to sell 100 (Q) smartphones at 200\$ (P) each = 20000\$ total selling price
8. BUYER1 wants to buy 60 (Q1) smartphones at 220\$ (P1) = 13200\$ total buying price
9. BUYER2 wants to buy 40 (Q2) smartphones at 210\$ (P2) = 8400\$ total buying price
10.
11. caclculate mid price for each deal
12. SELLER & BUYER1 deal - 60 smartphones at 210\$ (200+220)/2 price each.
13. SELLER & BUYER2 deal - 40 smartphones at 205\$ (200+210)/2 price each.
14.
15. 20800\$ will be total selling price for SELLER (deal price)
16. 12600\$ will be total buying price for BUYER1
17. 8200\$ will be total buying price for BUYER2
18.
19. Now complete below python program which takes 1 seller qty & price and n buyer qty & prices.
20. 1. print total selling price
21. 2. print each buyers total buying price
22. 3. find best buyer who contributed highest buy to the deal.
23.
24. class RetailOrder(object):
25.     def __init__(self, qty, price):
26.         self.qty = qty
27.         self.price = qty
28.
29. # seller - 1 RetailOrder with qty & price
30. # buyers - list of RetailsOrder's with qty & price
31. # implement you deal making logic below
32. def ebeebay_make_best_deal(seller, buyers)
33.     pass
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