All challenges
Multiple ChoiceBeginner 30s

Go: len

len(slice) returns:
Options
  1. 1The capacity
  2. 2The type
  3. 3The number of elements
  4. 4The address

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