Name three important world leaders.
1. Angela Merkel (Chancellor of Germany)
2. Xi Jinping (President of China)
3. Joe Biden (President of the United States)
Complete the following task based on the instruction and optional input provided.### Instruction:
Name three important world leaders.

### Output:
1. Angela Merkel (Chancellor of Germany)
2. Xi Jinping (President of China)
3. Joe Biden (President of the United States)