what is for needed for html code example

Example 1: what should i use for html

You can both use notepad(Pc), TextEdit(Mac) but thats not really good
so i would probably use atom, sublime text or visual studio code

Example 2: what is html used for

<!-- Answer to: "what is html used for" -->

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  HTML is used to create electronic documents (called "pages")
  that are displayed on the World Wide Web.
-->