import sys
import numpy as np
import matplotlib

print("Python", sys.version)
print("Numpy", np.__version__)
print("Matplotlib", matplotlib.__version__)
inputs = [1.2,5.1,2.1]
weights = [3.1,2.1,8.7]
bias = 3
output = inputs[0]*weights[0] + inputs[1]*weights[1] + inputs[2]*weights[2]
print (output)
