How to install xgboost in python on MacOS?

Question

I am a newbie and learning python. Can someone help me- how to install xgboost in python. Im using Mac 10.11. I read online and did the below mentioned step, but not able to

Answer 1

FOR PYTHON 2.7

$ conda install -c aterrel xgboost=0.4.0

OR

$ conda install -c biconda xgboost=0.6a2

FOR PYTHON 3.6

$ brew install gcc@5
$ pip install xgboost