code: def angle_between_vectors(x, y):
      
      first_step = abs(x[0] * y[0] + x[1] * y[1] + x[2] * y[2]) / (
          np.sqrt(x[0]**2 + x[1]**2 + x[2]**2) *
          np.sqrt(y[0]**2 + y[1]**2 + y[2]**2))
      second_step = np.arccos(first_step)
      return (second_step)
docs: Calculate the angle between two vectors x and y.