git Push rejected: Push to origin/master was rejected问题

这句话的意思是git拒绝合并两个不相干的东西 
此时你需要在打开Git Bash，然后进入相应的目录，然后敲git命令

$ git pull origin master --allow-unrelated-histories

出现类似于这种信息就说明pull成功了：

$ git pull origin master --allow-unrelated-histories
From https://github.com/yanghaopeng/python_utils
 * branch            master     -> FETCH_HEAD
Merge made by the 'recursive' strategy.
 utils/hello.py | 354 ++++++++++++++++++++++++++++++++++++++++++++++++++++-----
file changed, 323 insertions(+), 31 deletions(-)

将本地仓库中的推送到github中，使用如下的git命令：

$ git push -u origin master