how to work on a different branch git code example

Example 1: git merge branch to master

$ git checkout master
Switched to branch 'master'
$ git merge iss53
Merge made by the 'recursive' strategy.
index.html |    1 +
1 file changed, 1 insertion(+)

Example 2: canging branch in git

$ git checkout feature

Example 3: canging branch in git

$ git branch