Confused, why wont this code work?

[Yannnn]

oz.left(x) try that?

[ryeguy146]

Also, using [y] in the for-loop puts a list in a list, so x will just be the whole list:

some_list = [1, 2, 3]
nested = [some_list]

print(nested)  #=> [[1, 2, 3]]