import numpy as np
import random
import pprint
import time

pp = pprint.PrettyPrinter(indent=2)
MATRIX_SIZE = 10000
MAX_RANGE = 10000

A = MAX_RANGE * np.random.random((MATRIX_SIZE, MATRIX_SIZE)) - MAX_RANGE/2
b = MAX_RANGE * np.random.random((MATRIX_SIZE)) - MAX_RANGE/2

def multiplyMatrixWithVector(matrix, vector):
  result = []
  size = len(vector)
  for r in range(size):
    sum = 0
    for c in range(size):
      sum += matrix[r][c] * vector[c]
    result.append(sum)
  return result

start = time.time()
c1 = multiplyMatrixWithVector(A, b)
end = time.time()

print('============ TIME ===========')
print(end-start)
print('============ TIME ===========')