Toy-project-for-money

This project has a class transaction to get all transaction history, a class Account for generating user information, storing transaction history temporarily. The default password for user is "123". User can type in "Show balance" to get the recent balance for their account. If they want to add money to account, type in "deposit". If they want get money out, use "withdraw". If they want to get the transaction history, type in "show all transaction".