```python
def setup():
py5.noise_seed(42)
py5.stroke(0, 10)
def draw():
n = py5.remap(py5.noise(py5.frame_count / 100), 0, 1, 0, py5.width)
py5.line(n, 0, n, py5.height)
```
```python
def setup():
global xpos, ypos
py5.rect_mode(py5.CENTER)
py5.noise_seed(42)
xpos = py5.width / 2
ypos = py5.height / 2
def draw():
global xpos, ypos
py5.background(128)
xpos = (xpos + py5.noise(py5.frame_count / 250) - 0.5) % py5.width
ypos = (ypos + py5.noise(500 + py5.frame_count / 250) - 0.5) % py5.height
py5.square(xpos, ypos, 25)
```