Organize the following list by alphabetical order: pen, car, apple, house.
Here is the list organized in alphabetical order: 
- Apple
- Car
- House
- Pen
Complete the following task based on the instruction and optional input provided.### Instruction:
Organize the following list by alphabetical order: pen, car, apple, house.

### Output:
Here is the list organized in alphabetical order: 
- Apple
- Car
- House
- Pen