Code Lab

Practice, with a teacher watching.

Real Python, running in this page. Pick a course, ask the teacher for an exercise, write your answer, run it, and submit code plus output for review. Pure Python and NumPy work here; torch and keras need the real course labs.

Editor

Python loads on first run

# Write Python here, then Run.
# numpy is available: it loads automatically when you import it.

x = [2, 4, 6, 8]
mean = sum(x) / len(x)
print("mean:", mean)

Output

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Teacher

The teacher opens bottom-right. It assigns one exercise at a time, grades what you run, and hints before it ever hands you the fix.