$19$:$54$

exam$\_24\mathrm{.}11\mathrm{.}202318012024$

$--$Function to show values in a specific column of grid function showColumn$($grid$,$ col$)$

if col$<mn\; id="EditorElement\_1477488">1</mn>$ or col $>$ #grid $[1]$ then print $("$Invalid column number"$)$ return end

for $i=1,$ #grid do print $($grid $[$i$][$col$])--$Adjust index to $1-$indexed for display end end

$--$Main function to execute commands function main$()$ local grid $=$ readGrid $("$grid$.$txt$")$

if not grid then return end

while true do local command $=$ io$.$read$()--$if the command is "showcol", display the values in the specified column $($separated by spaces$)$

if command $==$ "showcol" then $--$Q$1-$A local col $=$ tonumber$($io$.$read$())$ if col then showColumn$($grid$,$ col$)$ else print$("$Invalid column number"$)$

end else

end print $("$Unknown command"$)$

end

end

$--$Function to show values in a specific row of grid function showRow$($grid$,$ row$)$

if row $<mn\; id="EditorElement\_1476763">1</mn>$ or row $>$ #grid $[1]$ then print $("$Invalid row number"$)$