All challenges
Code AnalysisIntermediate 45s

Closure Example

What is the output?
Starter code
def outer(x):
    def inner(y): return x + y
    return inner
f = outer(10)
print(f(5))

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