code: def set_commanded_speed(self, speed, steps):
      self.cmd_vel = speed
      self.vel_delta = (self.cmd_vel - self.vel) / steps
      if abs(self.vel_delta) > 0:
          self.vel_step = steps
      else:
          self.vel_step = 0
  
imports: from __future__ import absolute_import, division, print_function, unicode_literals
  import numpy.random
  import numpy
  import matplotlib.pyplot
  from filterpy.kalman import KalmanFilter, MMAEFilterBank
  from numpy import array
  from filterpy.common import Q_discrete_white_noise, Saver
  import matplotlib.pyplot
  from numpy.random import randn
  from math import sin, cos, radians
label_desc: Use image node_id 4 for calling the ManeuveringTarget obj's underlying member method code with example usage: obj.set_commanded_speed(speed, steps) without return types