List the seven colours of the rainbow.
The seven colors of the rainbow are (in order): 
1. Red
2. Orange
3. Yellow 
4. Green 
5. Blue 
6. Indigo 
7. Violet.
Complete the following task based on the instruction and optional input provided.### Instruction:
List the seven colours of the rainbow.

### Output:
The seven colors of the rainbow are (in order): 
1. Red
2. Orange
3. Yellow 
4. Green 
5. Blue 
6. Indigo 
7. Violet.