Write stats(marks) returning [mean, max, min] using NumPy (mean rounded to 2).
stats([70, 85, 90]) → [81.67, 90, 70]
stats([50]) → [50, 50, 50]
Submit runs 3 tests, including hidden edge cases.
Each hint gives a little more help. Try on your own first.
Run your code to see the output here.