how to checkout to master branch in git code example

Example 1: git create new branch from current

git checkout -b topic/newbranch

Example 2: how to create new branch

How to create a new branch in git 

$ git checkout -b good

here good is new branch name
the line 3 after executing we will go to that branch

Example 3: git checkout branch

truelover@PEACE project % git checkout master
truelover@PEACE project % git checkout branch_name
#create branch
truelover@PEACE project % git checkout -b new_branch_name