The stall example increased the stop bound. A shuttle marks even-numbered bus stops instead. Use the three-argument form range(start, stop, step); the stop number is not included. The supplied print shows the full label string.
Edit main.py, press Run to see Stop 2 | Stop 4 | Stop 6 | , then press Submit.
for loop and range(2, 8, 2) to append f"Stop {stop} | " to labels for stops 2, 4, and 6. The supplied print line should show all three.