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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def follow_hand(poppy, delta):
 """Tell the right hand to follow the left hand"""

    right_arm_position = poppy.l_arm_chain.end_effector + delta
    poppy.r_arm_chain.goto(right_arm_position, 0.5, wait=True)