Intermediate
Python
Q66 / 101
What does itertools.chain do?
Correct! Well done.
Incorrect.
The correct answer is A) Combines multiple iterables end-to-end into a single iterator
A
Correct Answer
Combines multiple iterables end-to-end into a single iterator
Explanation
chain([1, 2], [3, 4]) yields 1, 2, 3, 4 without creating a new list. Useful for memory-efficient iteration over multiple sequences.
Progress
66/101