1、pycharm界面右下角分支管理中创建分支 A

2、切换到新创建的分支A

3、在新分支A 上编写/修改代码

4、把新的分支A 推送到远端仓库：添加（add）、提交（submit）、推送（push）

5、在另外一台电脑上拉取分支A：

   （1）.git 仓库新建远程分支以后，pycharm > git > Pull > ctrl+f5 更新分支，（或者在本地代码的git所在的目录执行下"git remote update origin --prune”)

(venv) PS D:\myPythonProjects\test\venv> git remote update origin --prune
Fetching origin
remote: Enumerating objects: 6, done.
remote: Counting objects: 100% (6/6), done.
remote: Compressing objects: 100% (3/3), done.
remote: Total 4 (delta 2), reused 0 (delta 0), pack-reused 0
Unpacking objects: 100% (4/4), 313 bytes | 13.00 KiB/s, done.
From https://gitee.com/xxxxx/test
 * [new branch]      dev        -> origin/dev
(venv) PS D:\myPythonProjects\test\venv>

（2）Pycharm 右下角的位置选择“Git”，然后选择Remote Branches 你要切换到的分支即可 

（3）选择对应分支Checkout即可，此时我们就在Pycharm 完成了分支的切换工作了

 ============

另外一台电脑拉取分支：

 或者用以下命令也能看到新的分支：git remote update origin --prune

(venv) PS D:\myPythonProjects\test\venv> git remote update origin --prune
Fetching origin
remote: Enumerating objects: 6, done.
remote: Counting objects: 100% (6/6), done.
remote: Compressing objects: 100% (3/3), done.
remote: Total 4 (delta 2), reused 0 (delta 0), pack-reused 0
Unpacking objects: 100% (4/4), 313 bytes | 13.00 KiB/s, done.
From https://gitee.com/xxxxx/test
 * [new branch]      dev        -> origin/dev
(venv) PS D:\myPythonProjects\test\venv>