class dvd: def __init__(self, title, director, producer, release_date, duration, dvd_id): self.title = title self.director = director self.producer = producer self.release_date = release_date self.duration = duration self.dvd_id = dvd_id def get_title(self): return self.title def get_director(self): return self.director def get_producer(self): return self.producer def get_release_date(self): return self.release_date def get_duration(self): return self.duration def get_dvd_id(self): return self.dvd_id class customer: def __init__(self, name, customer_id): self.name = name self.customer_id = customer_id def get_name(self): return self.name def get_customer_id(self): return self.customer_id class store: def __init__(self): self.dvds = [] self.customers = [] def add_dvd(self, dvd): self.dvds.append(dvd) def add_customer(self, customer): self.customers.append(customer) def rent_dvd(self, dvd_id, customer_id): for dvd in self.dvds: if dvd.get_dvd_id() == dvd_id: for customer in self.customers: if customer.get_customer_id() == customer_id: customer.dvds.append(dvd) self.dvds.remove(dvd) def return_dvd(self, dvd_id, customer_id): for customer in self.customers: if customer.get_customer_id() == customer_id: for dvd in customer.dvds: if dvd.get_dvd_id() == dvd_id: self.dvds.append(dvd) customer.dvds.remove(dvd) def get_dvd(self, dvd_id): for dvd in self.dvds: if dvd.get_dvd_id() == dvd_id: return dvd def get_customer(self, customer_id): for customer in self.customers: if customer.get_customer_id() == customer_id: return customer def get_dvds(self): return self.dvds def get_customers(self): return self.customers def get_dvds_for_customer(self, customer_id): for customer in self.customers: if customer.get_customer_id() == customer_id: return customer.dvds # main store = store() dvd1 = dvd("The Godfather", "Francis Ford Coppola", "Albert S. Ruddy", 1972, 175, 1) dvd2 = dvd("The Shawshank Redemption", "Frank Darabont", "Niki Marvin", 1994, 142, 2) dvd3 = dvd("Pulp Fiction", "Quentin Tarantino", "Lawrence Bender", 1994, 154, 3) store.add_dvd(dvd1) store.add_dvd(dvd2) store.add_dvd(dvd3) customer1 = customer("John Smith", 1) customer2 = customer("Mary Johnson", 2) customer3 = customer("Mike Williams", 3) store.add_customer(customer1) store.add_customer(customer2) store.add_customer(customer3) store.rent_dvd(1, 1) store.rent_dvd(2, 1) store.rent_dvd(3, 2) store.rent_dvd(3, 3) store.return_dvd(2, 1) print(store.get_dvd(1)) print(store.get_dvd(2)) print(store.get_dvd(3)) print(store.get_customer(1)) print(store.get_customer(2)) print(store.get_customer(3)) print(store.get_dvds()) print(store.get_customers()) print(store.get_dvds_for_customer(1)) print(store.get_dvds_for_customer(2)) print(store.get_dvds_for_customer(3)) Attribute Error: 'customer' object has no attribute 'dvds' Eliminate This Attribute Error.
class dvd:
def __init__(self, title, director, producer, release_date, duration, dvd_id):
self.title = title
self.director = director
self.producer = producer
self.release_date = release_date
self.duration = duration
self.dvd_id = dvd_id
def get_title(self):
return self.title
def get_director(self):
return self.director
def get_producer(self):
return self.producer
def get_release_date(self):
return self.release_date
def get_duration(self):
return self.duration
def get_dvd_id(self):
return self.dvd_id
class customer:
def __init__(self, name, customer_id):
self.name = name
self.customer_id = customer_id
def get_name(self):
return self.name
def get_customer_id(self):
return self.customer_id
class store:
def __init__(self):
self.dvds = []
self.customers = []
def add_dvd(self, dvd):
self.dvds.append(dvd)
def add_customer(self, customer):
self.customers.append(customer)
def rent_dvd(self, dvd_id, customer_id):
for dvd in self.dvds:
if dvd.get_dvd_id() == dvd_id:
for customer in self.customers:
if customer.get_customer_id() == customer_id:
customer.dvds.append(dvd)
self.dvds.remove(dvd)
def return_dvd(self, dvd_id, customer_id):
for customer in self.customers:
if customer.get_customer_id() == customer_id:
for dvd in customer.dvds:
if dvd.get_dvd_id() == dvd_id:
self.dvds.append(dvd)
customer.dvds.remove(dvd)
def get_dvd(self, dvd_id):
for dvd in self.dvds:
if dvd.get_dvd_id() == dvd_id:
return dvd
def get_customer(self, customer_id):
for customer in self.customers:
if customer.get_customer_id() == customer_id:
return customer
def get_dvds(self):
return self.dvds
def get_customers(self):
return self.customers
def get_dvds_for_customer(self, customer_id):
for customer in self.customers:
if customer.get_customer_id() == customer_id:
return customer.dvds
# main
store = store()
dvd1 = dvd("The Godfather", "Francis Ford Coppola", "Albert S. Ruddy", 1972, 175, 1)
dvd2 = dvd("The Shawshank Redemption", "Frank Darabont", "Niki Marvin", 1994, 142, 2)
dvd3 = dvd("Pulp Fiction", "Quentin Tarantino", "Lawrence Bender", 1994, 154, 3)
store.add_dvd(dvd1)
store.add_dvd(dvd2)
store.add_dvd(dvd3)
customer1 = customer("John Smith", 1)
customer2 = customer("Mary Johnson", 2)
customer3 = customer("Mike Williams", 3)
store.add_customer(customer1)
store.add_customer(customer2)
store.add_customer(customer3)
store.rent_dvd(1, 1)
store.rent_dvd(2, 1)
store.rent_dvd(3, 2)
store.rent_dvd(3, 3)
store.return_dvd(2, 1)
print(store.get_dvd(1))
print(store.get_dvd(2))
print(store.get_dvd(3))
print(store.get_customer(1))
print(store.get_customer(2))
print(store.get_customer(3))
print(store.get_dvds())
print(store.get_customers())
print(store.get_dvds_for_customer(1))
print(store.get_dvds_for_customer(2))
print(store.get_dvds_for_customer(3))
Attribute Error: 'customer' object has no attribute 'dvds'
Eliminate This Attribute Error.
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