All challenges
Code AnalysisBeginner 45s

List Append Output

What is the output of this Python code?
Starter code
x = [1, 2, 3]
x.append(4)
print(x)

Think you can answer under pressure?

Get matched and answer live questions in 3-minute 1v1 battles. Elo ranking, badge tiers and bragging rights on the line.

Play this in a 3-minute battle