---
# System prepended metadata

title: 410802075 mid-term 3

---

# 410802075 mid-term 3
```python 
from microbit import *

while True:
    if button_a.is_pressed():    
        display.clear()
        for y in range(5):
        for x in range(5):
        display.set_pixel(x,y,9) 
        sleep(100)