class FruitShop: def __init__(self, name, fruitPrices): """ name: Name of the fruit shop fruitPrices: Dictionary with keys as fruit strings and prices for values e.g. {'apples':2.00, 'oranges': 1.50, 'pears': 1.75} """ self.fruitPrices = fruitPrices self.name = name print 'Welcome to %s fruit shop' % (name) def getCostPerPound(self, fruit): """ fruit: Fruit string Returns cost of 'fruit', assuming 'fruit' is in our inventory or None otherwise """ if fruit not in self.fruitPrices: print "Sorry we don't have %s" % (fruit) return None return self.fruitPrices[fruit] def getPriceOfOrder(self, orderList): """ orderList: List of (fruit, numPounds) tuples Returns cost of orderList. If any of the fruit are """ totalCost = 0.0 for fruit, numPounds in orderList: costPerPound = self.getCostPerPound(fruit) if costPerPound != None: totalCost += numPounds * costPerPound return totalCost def getName(self): return self.name