As we saw in the last example, Tina can move! When she moves, she draws a line. She can move `forward` and `backward` and turn `right` or `left` a certain number of degrees.
Run this example to see her move:
```python.run
import turtle
tina = turtle.Turtle()
tina.shape("turtle")
tina.forward(50)
tina.left(90)
tina.forward(50)
tina.left(90)
tina.forward(50)
```
She's almost made a square! Can you help her complete it? What other shapes can you help Tina draw?
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