python documentation

1dont read documentation until you understand the core concepts of Python!

1# For macs... 
2#  Apparently you don't want to upgrade 2.* just install 3.*
3
4% brew install python3

1import numpy as np
2a = np.array([1, 2, 3])
3b = np.array([2, 3, 4])
4np.vstack((a,b))