Conda environment management

1 Conda environment management
1.1 create a new environment
- conda create --name pyton34 python=3.4
1.2 activity the environment
- activate python34 # for Windows
- source activate python34 # for Linux & Mac
1.3 quit the environment
- deactivate pyhon34 # for Windows
- source deactivate python34 # for Linux & Mac
1.4 delete the environment
- conda remove --name python34 --all
2 Conda package management
2.1 install Python package
2.2 list Python Package
- conda list
- conda list -n python34 # check Python modules
2.3 delete Python Package
- conda remove -n python34 numpy