Print the first column from the remaining columns
if ( l <= n ) : NEW_LINE INDENT for i in range ( m , k - 1 , - 1 ) : NEW_LINE INDENT stk . append ( a [ i ] [ l ] ) NEW_LINE DEDENT l += 1 NEW_LINE DEDENT while len ( stk ) != 0 : NEW_LINE print ( str ( stk [ - 1 ] ) , end = " ▁ " ) NEW_LINE stk . pop ( ) NEW_LINE