code: def normalize(self):
      # current length is ||q0|| + eps * (<q0, qe> / ||q0||)
      # writing this as a + eps * b, the inverse is
      #   1/||q|| = 1/a - eps * b / a^2
      norm = self.norm()
      inv_len_real = 1.0 / norm.real
      self *= complex(
          inv_len_real, -norm.imag * inv_len_real * inv_len_real
      )
      return self
  
imports: import numpy
label_desc: Use image node_id 14 for calling the DualQuaternion obj's underlying member method code with example usage: obj.normalize() and returns: self