Need help with python code. Decryption is not yielding the correct result, problem is in the decrypt function, need help.

import sys

# Global constants

NUM$\_$ROWS $=6$

NUM$\_$COLS $=4$

ROW$\_$TRANSPOSITION $=[3,5,0,2,1,4]$

COL$\_$TRANSPOSITION $=[3,2,0,1]$

def encrypt$($text$)$:

table $=[[\text{'}\text{'}$ for $\_$ in range$($NUM$\_$COLS$)]$ for $\_$ in range$($NUM$\_$ROWS$)]$

index $=0$

for $i$ in range$($NUM$\_$ROWS$)$:

for $j$ in range$($NUM$\_$COLS$)$:

if index $$ len$($text$)$:

table $[$i$][$j$]=$ text$[$index$]$

index $+=1$

else:

table $[i][j]={?}^{\text{'}}\text{'}$

# Transpose rows

table $=[$table $[$i$]$ for $i$ in ROW$\_$TRANSPOSITION$]$

# Transpose columns

table $=[$list$($row$[$i$]$ for $i$ in COL$\_$TRANSPOSITION$)$ for row in table$]$

# Output encrypted text

for row in table:

print$(""\text{'}.$join$($row$),$ end$=\text{'}\text{'})$

def decrypt$($text$)$:

table $=[[\text{'}\text{'}$ for $\_$ in range$($NUM$\_$COLS$)]$ for $\_$ in range$($NUM$\_$ROWS$)]$

index $=0$

# Populate the table column by column

for $j$ in range$($NUM$\_$COLS$)$:

for $i$ in range$($NUM$\_$ROWS$)$:

table index$]$

index $+=1$

# Reverse column transposition

table $=[$list$(\text{'}\text{'}.$join$($row$[$i$]$ for row in table$))$ for $i$ in COL$\_$TRANSPOSITION$]$

# Reverse row transposition

decrypted$\_$text $=\text{'}\text{'}.$join$(\text{'}\text{'}.$join$($row$)$ for row in table$)$

print $($decrypted$\_$text$)$

def main$()$:

if sys$.$argv$[1]$ not in $(\text{'}-$e$\text{'},\text{'}-$d$\text{'})$:

print$("$Usage: python

script.py $-$e $|-$d $====$