matrix=[[1,2,3],[2,3,4], [4,5,6]] for row in matrix: for item in row:print(item)

Question

what's wrong with this

Answer 1

Indentation is totally missing.
In this case easy to get it running - just move the lowest line at least one space to the right.
Anyway, to understand this important topic, read (not run) this:
https://code.sololearn.com/cT5BRIbkia21/?ref=app

Answer 2

that worked

Answer 3

Happy to hear it! :)

Answer 4

thank you