install graphviz mac code example

Example 1: install pybind ubuntu

# Some prerequisites (but not all of them)
apt-get install cmake
pip3 install pytest

# Clone, build and install 
git clone https://github.com/pybind/pybind11.git 
cd pybind11 
mkdir build 
cd build 
cmake .. 
make install

Example 2: install python 3.4 mac terminal

$ ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"