Write a class that acts like a bank called UnrestrictedBank(). Assume a bank where every transaction is possible but the balance should still be monitored correctly.

The bank keeps a few pieces of information:

• The account number (which can start with a 0): accountNumber
• The name of the account holder: accountHolder
• The balance of the account balance

If an account is made these values should be set for the account.

The account sould also have some functionality:

• The accountNumber should be able to be returned getAccountNumber()
• The name of the holder of the account should be able to be returned getAccountHolder()
• The balance needs to be returned getBalance()
• Money should be able to be deposited deposit(double amount)
• It should be possible to withdraw sums withdraw(double amount)

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