import json

class MachineStatus:

def __init__(self, label):

   self.label = label
   # The total number of beverages that were stocked last time we stocked the machine
   self.totalStocked = 0
   # The total number of beverages still left in the vending machine
   self.inStock = 0
   self.income = 0

def addBeverage(self, lastStock, inStock, price):

   self.income += (lastStock - inStock) * price
   self.totalStocked += lastStock
   self.inStock += inStock

def getLabel(self):

   return self.label

def sales(self):

   return self.income

def pctSold(self):

   return 100 * (self.totalStocked - self.inStock) / self.totalStocked

def __repr__( self ):
   return '{} In Stock: {}, Stocked: {}, Sold: {}%'.format( self.label, self.inStock, self.totalStocked, round(self.pctSold(), 2) )

class InventoryItem:
def __init__( self, itemName ):
   # The name of the beverage, we work under the assumption there will only be one InventoryItem
   # for each named beverage
   self.name = itemName
   # The total number of this beverage item that were stocked last time we stocked the machines
   self.totalStocked = 0
   # The total number of this beverage item still left in the vending machines
   self.totalInStock = 0
   # The total number of slots that have this beverage
   self.totalSlots = 0

def addToStocked( self, stockAmt ):
   self.totalStocked = self.totalStocked + stockAmt

def addToInStock( self, inStockAmt ):
   self.totalInStock = self.totalInStock + inStockAmt

def incrementSlots( self ):
   self.totalSlots = self.totalSlots + 1

def getNumberSold( self ):
   return self.totalStocked - self.totalInStock

def getSoldPct( self ):
   return self.getNumberSold() / self.totalStocked

# We have an assumption here that the total number beverages that can be stocked
# in a slot is 8 beverages.
def getStockNeed( self ):
   return 8 * self.totalSlots - self.totalInStock

def getName( self ):
   return self.name

def getNumberInStock( self ):
   return self.totalInStock

def __repr__( self ):
   return '{} In Stock: {}, Stocked: {}, Slots: {}'.format( self.name, self.totalInStock, self.totalStocked, self.totalSlots )

The goal of this project is to illustrate the kind of data that is...