STEP 5: Let's set the y-position for each legs sprite so the robots are standing on the moon!

We are using a variable for our x-coordinate because we need it to vary (change) each time the loop runs.

• Change the y-coordinate of the legs sprite from 0 to -150.
• Let's update our display to see legs_x change! From , drag Update Display inside the loop.
• Change the variable argument in the parentheses of .update() from my_var to legs_x.

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