input: def create_bank_account(name: str, balance: float) -> BankAccount:
      """
      Create an instance of the BankAccount class with the given name and initial balance.
      Return the created instance of BankAccount.
      
      >>> create_bank_account("Alice", 1000.0)
      <BankAccount object at 0x...>
      >>> create_bank_account("Bob", 500.0)
      <BankAccount object at 0x...>
      """
      return BankAccount(name, balance)
output:     class BankAccount:
          def __init__(self, name: str, balance: float):
              self.name = name
              self.balance = balance