bicycles.py

models = {
    'huffy': [15, 50],
    'bianci': [10, 200], 
    'masi': [8, 500],
    'schwinn': [12, 100], 
    'cannondale': [6, 1000], 
    'trek': [9, 700]}
customers = {
    'stephanie': [1200, True],
    'craig': [2000, True],
    'corey': [600, True],
    'anna' : [80, True],
    'shea' : [150, True],
    'stan': [80, True]}
    
    
class Bicycle(object):
    def __init__(self, price, weight, model): 
        self.price =  price     # models dict is hidden requirement. 
        self.weight = weight
        self.model = model


class BikeShop(object):
    def __init__(self, name, num_models, margin_perc): 
        self.name = name
        self.num_models = num_models
        self.inventory = {}
        self.margin = margin_perc/float(100)
        
  
class Customers(object):
    def __init__(self, name, funds):
        self.name = name
        self.money = funds