You are required to model the following fare card system which is a limited version of London’s Oyster card system. At the end of the test, you should be able to demonstrate a user loading a card with £30, and taking the following trips, and then viewing the balance.
| اسم المستقل | Ahmed A. |
| عدد الإعجابات | 0 |
| عدد المشاهدات | 15 |
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