<PLEASE USE THE FOLLOWING TEMPLATE TO HELP YOU CREATE A GREAT POST!>
<Below this line, add a link to the EXACT exercise that you are stuck at.>
<In what way does your code behave incorrectly? Include ALL error messages.>
Oops, try again. compute_bill([‘apple’]) resulted in a TypeError: unsupported operand type(s) for +=: ‘int’ and ‘list’
<What do you expect to happen instead?>```python
Replace this line with your code.
<do not remove the three backticks above>