class diagram for bank

[abdoatef22-g]

1. +------------------+ 1 * +------------------+

   Bank	------------------->	Customer	+------------------+ +------------------+	-name: String		-name: String		-address: String		-id: String	+------------------+ +------------------+
   1

                                     V
                                 +------------------+
                                 |     Account      |
                                 +------------------+
                                 | -accountNumber:  |
                                 |   String         |
                                 | -balance: Double |
                                 +------------------+
                                     |
                                     | 1
                                     |
                                     V
                                 +------------------+
                                 |   Transaction    |
                                 +------------------+
                                 | -transactionID:  |
                                 |   String         |
                                 | -amount: Double  |
                                 | -date: Date      |
                                 +------------------+

   `class Bank: def init(self, name, address): self.name = name self.address = address self.customers = []

   def add_customer(self, customer): self.customers.append(customer)

   def get_customers(self): return self.customers Customer.py python

class Customer: def init(self, name, id): self.name = name self.id = id self.accounts = []

def add_account(self, account):
    self.accounts.append(account)

def get_accounts(self):
    return self.accounts

Account.py python

class Account: def init(self, account_number, balance): self.account_number = account_number self.balance = balance self.transactions = []

def add_transaction(self, transaction):
    self.transactions.append(transaction)

def get_transactions(self):
    return self.transactions

Transaction.py python

from datetime import date

class Transaction: def init(self, transaction_id, amount, date): self.transaction_id = transaction_id self.amount = amount self.date = date

def get_transaction_id(self):
    return self.transaction_id

def get_amount(self):
    return self.amount

def get_date(self):
    return self.date

from Bank import Bank from Customer import Customer from Account import Account from Transaction import Transaction from datetime import date my_bank = Bank("Bank of Python", "123 Python Street")

customer1 = Customer("Alice", "001")

my_bank.add_customer(customer1)

account1 = Account("123456789", 1000.0) customer1.add_account(account1)

transaction1 = Transaction("tx001", 200.0, date.today())

account1.add_transaction(transaction1)

print("Bank Name:", my_bank.name) print("Customer Name:", my_bank.get_customers()[0].name) print("Account Balance:", customer1.get_accounts()[0].balance) print("Transaction Amount:", account1.get_transactions()[0].get_amount())`