feat: p0 and p1

tutorial/shop.py

@@ -0,0 +1,60 @@
+# shop.py
+# -------
+# Licensing Information:  You are free to use or extend these projects for
+# educational purposes provided that (1) you do not distribute or publish
+# solutions, (2) you retain this notice, and (3) you provide clear
+# attribution to UC Berkeley, including a link to http://ai.berkeley.edu.
+# 
+# Attribution Information: The Pacman AI projects were developed at UC Berkeley.
+# The core projects and autograders were primarily created by John DeNero
+# (denero@cs.berkeley.edu) and Dan Klein (klein@cs.berkeley.edu).
+# Student side autograding was added by Brad Miller, Nick Hay, and
+# Pieter Abbeel (pabbeel@cs.berkeley.edu).
+
+
+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:
+            return None
+        return self.fruitPrices[fruit]
+
+    def getPriceOfOrder(self, orderList):
+        """
+            orderList: List of (fruit, numPounds) tuples
+
+        Returns cost of orderList, only including the values of
+        fruits that this fruit shop has.
+        """
+        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
+
+    def __str__(self):
+        return "<FruitShop: %s>" % self.getName()
+
+    def __repr__(self):
+        return str(self)