Assign a score out of 5 to the following book review.
I really enjoyed this book. It was an engaging read and had an interesting plot.
4/5
Complete the following task based on the instruction and optional input provided.### Instruction:
Assign a score out of 5 to the following book review.

### Input:
I really enjoyed this book. It was an engaging read and had an interesting plot.

### Output:
4/5