what does git fetch do? code example

Example 1: git fetch vs pull

Git Fetch ==>The Git Fetch command 
downloads commits, files from a remote
repository into your local repo. 
Fetching is what you do when you want
to see what everybody else has been working on

Git Pull ==> fetch and merge any 
commits from the remote branch

Example 2: what does git fetch do

The git fetch command downloads commits, files, and refs from a
remote repository into your local repo. Fetching is what you do
when you want to see what everybody else has been working on.
... When downloading content from a remote repo,
git pull and git fetch commands are available to accomplish
the task.