Rank the following items according to the cheapest to most expensive. Output a list of item index in the order from cheapest to most expensive.
Fuji Apple
Rose
Diamond
1. Fuji Apple
2. Rose
3. Diamond
Complete the following task based on the instruction and optional input provided.### Instruction:
Rank the following items according to the cheapest to most expensive. Output a list of item index in the order from cheapest to most expensive.

### Input:
Fuji Apple
Rose
Diamond

### Output:
1. Fuji Apple
2. Rose
3. Diamond