Transaction

class BankAccount: def init(self, account_holder, balance=0): self.account_holder = account_holder self.balance = balance

def deposit(self, amount):
    if amount > 0:
        self.balance += amount
        print(f'Deposit successful. New balance: ${self.balance}')
    else:
        print('Invalid deposit amount.')

def withdraw(self, amount):
    if 0 < amount <= self.balance:
        self.balance -= amount
        print(f'Withdrawal successful. New balance: ${self.balance}')
    else:
        print('Invalid withdrawal amount or insufficient funds.')

def get_balance(self):
    print(f'Current balance for {self.account_holder}: ${self.balance}')

Example usage

account_holder_name = "John Doe" account = BankAccount(account_holder_name)

account.get_balance() account.deposit(1000) account.withdraw(500) account.get_balance()