change the rename of local git branch code example

Example 1: git rename branch from local

1. 'Start by switching to the local branch which you want to rename:'
git checkout <old_name>

2. 'Rename the local branch by typing:'
git branch -m <new_name>

Example 2: rename branch git

git branch -m <new_name> //currenct branch switch name 
git branch -m <select_branch_name> <new_branch_name>