<p>fix this python program (error:NameError: name 'turtle' is notdefined)</p><p>def Drawtriangularmotion():</p><p> import turtle<br/> import random</p><p><br/>index=0<br/>size=[80,75,60]<br/>color=['red','green','blue']<br/>myTurtle=turtle.Turtle()<br/>screen = turtle.Screen()</p><p>def draw_square():<br/> global index<br/> myTurtle.fillcolor(color[index])<br/> myTurtle.begin_fill()<br/> for _ in range(4):</p><p> myTurtle.left(90)<br/> myTurtle.forward(size[index])<br/> myTurtle.end_fill()<br/> index+=1</p><p><br/>def draw_triangle():<br/> for _