code: def augknt(knots,order):
      
      a = []
      [a.append(knots[0]) for t in range(0,order)]
      [a.append(k) for k in knots]
      [a.append(knots[-1]) for t in range(0,order)]
      return np.array(a)
docs: Augment knot sequence such that some boundary conditions 
      are met.