![example picture for sq()](/images/reference/Sketch_sq_0.png)
```python
def setup():
py5.no_stroke()
a = py5.sq(1) # Sets 'a' to 1
b = py5.sq(-5) # Sets 'b' to 25
c = py5.sq(9) # Sets 'c' to 81
py5.rect(0, 25, a, 10)
py5.rect(0, 45, b, 10)
py5.rect(0, 65, c, 10)
```