import numpy
import numpy as np
from numpy import array
from numpy import array as ar

# numpy = work eff with arrays
# matplotlib = data visualization
# scikit = machine learning

# get python version
import sys
print(sys.version)

# To install pip, securely download get-pip.py. [1]:
# curl https://bootstrap.pypa.io/get-pip.py -o get-pip.py
# Then run the following:
# python get-pip.py
# python3 get-pip.copyright

####
# numpy
####

# pip3 install numpy
# import numpy
numpy.array([1, 2, 3])

# OR
# import numpy as np
np.array([1, 2, 3])

# OR
# from numpy import array  # unpreferred/later calls are unclear what package
array([1, 2, 3])
# from numpy import array as ar
ar([1, 2, 3])
