It's very easy to make some words bold and other words italic with Markdown. You can even link to Google!

1. one
2. two
3. three

• start a line with a star
• tools in book

• aaaaaa
• bbbbbb
  • ccccc
  • ddddd

pic

function abc(){
    return 'abc';
}

if (isAwesome){
  return true
}

def abc:
    print('abc')