old_contents: import numpy as np
  from main import LP, simplex
  
  # test = LP(
  #     np.matrix('2 0 6; -2 8 4; 3 6 5'),
  #     np.matrix('10; 12; 20'),
  #     np.matrix('2; 1; 3; 0; 0; 0'),
  #     [4, 5, 6])
  # print(simplex(test, True)[1])
  
  example = LP(
      np.matrix('-0.5 0.5 1; -5.5 -1.5 0; -2.5 -0.5 0; 9 1 0'), # A
      np.matrix('0; 0; 1'), # b
      np.matrix('10; -57; -9; -24; 0; 0; 0'), # c
      [5, 6, 7]
  )
  print(simplex(example))
  
  
new_contents: # see test.py
subject: update usage to refer to test.py