When does a for loop stop iterating?

1.  when it encounters an infinite loop
2.  when it encounters an if/else statement that contains a break keyword
3.  when it has assessed each item in the iterable it is working on or a break keyword is encountered
4.  when the runtime for the loop exceeds O(n^2)

Correct Answer:

•  when it has assessed each item in the iterable it is working on or a break keyword is encountered