# import pickle

# # ----- Serialization of all users -------#

# def serialize_users(all_users):
#   with open('users.txt', 'wb+') as f:
#     pickle.dump(all_users, f)


# def deserialize_users():
#   try:
#     with open('users.txt', 'rb+') as f:
#       all_users = pickle.load(f)

#   except EOFError:
#     all_users = {}

#   return all_users




# # ----- Serialization of all payment options -------#

# def serialize_pay_opt(all_pay_opt):
#   with open('pay_opt.txt', 'wb+') as f:
#     pickle.dump(all_pay_opt, f)


# def deserialize_pay_opt():
#   try:
#     with open('pay_opt.txt', 'rb+') as f:
#       all_pay_opt = pickle.load(f)

#   except EOFError:
#     all_pay_opt = {}

#   return all_pay_opt



# # ----- Serialization of all products -------#

# def serialize_products(all_products):
#   with open('products.txt', 'wb+') as f:
#     pickle.dump(all_products, f)


# def deserialize_products():
#   try:
#     with open('products.txt', 'rb+') as f:
#       all_products = pickle.load(f)

#   except EOFError:
#     all_products = {}

#   return all_products



# # ----- Serialization of all orders -------#

# def serialize_orders(all_orders):
#   with open('orders.txt', 'wb+') as f:
#     pickle.dump(all_orders, f)


# def deserialize_orders():
#   try:
#     with open('orders.txt', 'rb+') as f:
#       all_orders = pickle.load(f)

#   except EOFError:
#     all_orders = {}

#   return all_orders



# # ----- Serialization of all order_line_items -------#

# def serialize_order_line_itmes(all_order_line_items):
#   with open('order_line_items.txt', 'wb+') as f:
#     pickle.dump(all_order_line_items, f)


# def deserialize_order_line_items():
#   try:
#     with open('order_line_items.txt', 'rb+') as f:
#       all_order_line_items = pickle.load(f)

#   except EOFError:
#     all_order_line_items = {}

#   return all_order_line_items

9f33fdd9de5f1a76a81ecaf018909cd404cad0aa
# import pickle

# # ----- Serialization of all users -------#

# def serialize_users(all_users):
#   with open('users.txt', 'wb+') as f:
#     pickle.dump(all_users, f)


# def deserialize_users():
#   try:
#     with open('users.txt', 'rb+') as f:
#       all_users = pickle.load(f)

#   except EOFError:
#     all_users = {}

#   return all_users




# # ----- Serialization of all payment options -------#

# def serialize_pay_opt(all_pay_opt):
#   with open('pay_opt.txt', 'wb+') as f:
#     pickle.dump(all_pay_opt, f)


# def deserialize_pay_opt():
#   try:
#     with open('pay_opt.txt', 'rb+') as f:
#       all_pay_opt = pickle.load(f)

#   except EOFError:
#     all_pay_opt = {}

#   return all_pay_opt



# # ----- Serialization of all products -------#

# def serialize_products(all_products):
#   with open('products.txt', 'wb+') as f:
#     pickle.dump(all_products, f)


# def deserialize_products():
#   try:
#     with open('products.txt', 'rb+') as f:
#       all_products = pickle.load(f)

#   except EOFError:
#     all_products = {}

#   return all_products



# # ----- Serialization of all orders -------#

# def serialize_orders(all_orders):
#   with open('orders.txt', 'wb+') as f:
#     pickle.dump(all_orders, f)


# def deserialize_orders():
#   try:
#     with open('orders.txt', 'rb+') as f:
#       all_orders = pickle.load(f)

#   except EOFError:
#     all_orders = {}

#   return all_orders



# # ----- Serialization of all order_line_items -------#

# def serialize_order_line_itmes(all_order_line_items):
#   with open('order_line_items.txt', 'wb+') as f:
#     pickle.dump(all_order_line_items, f)


# def deserialize_order_line_items():
#   try:
#     with open('order_line_items.txt', 'rb+') as f:
#       all_order_line_items = pickle.load(f)

#   except EOFError:
#     all_order_line_items = {}

#   return all_order_line_items
