What output do these nested for loops generate?

for $j$ in range $(1,4)$ :

for $k$ in range $(2,4)$ :

print $(","\frac{0}{\text{@}}k,$ end$="")$

$2,3,2,3,2,3$

$2,3,2,3$

$2,3,4,2,3,4$

$1,2,3,1,2,3$