what is wrong with my coding: import os

def main$()$:

while True:

user$\_$input $=$ input$("$Enter command: $").$split$()$

if not user$\_$input:

continue

command $=$ user$\_$input$[0].$upper$()$

if command $==\text{'}$Q$\text{'}$:

print$("$Exiting the program."$)$

break

elif command $==\text{'}$L$\text{'}$:

if len$($user$\_$input$)<2$:

print$("$Error: Please provide a directory path after $\text{'}$L$\text{'}.")$

continue

directory $=$ user$\_$input$[1]$

options $=$ user$\_$input$[2$:$]$

directory$\_$contents$($directory$,$ options$)$

else:

print$("$Error: Invalid command. Use $\text{'}$L$\text{'}$ to list contents or $\text{'}$Q$\text{'}$ to quit."$)$

def directory$\_$contents$($directory$,$ options$)$:

try:

files$\_$and$\_$dir $=$ os$.$listdir$($directory$)$

if $\text{'}-$f$\text{'}$ in options:

files$\_$and$\_$dir $=[$item for item in files$\_$and$\_$dir if os$.$path.isfile$($os$.$path.join$($directory$,$ item$))]$

if $\text{'}-$s$\text{'}$ in options:

search$\_$term $=$ options$[$options$.$index$(\text{'}-$s$\text{'})+1]$

files$\_$and$\_$dir $=[$item for item in files$\_$and$\_$dir if search$\_$term in item$]$

if $\text{'}-$e$\text{'}$ in options:

extension $=$ options$[$options$.$index$(\text{'}-$e$\text{'})+1]$

files$\_$and$\_$dir $=[$item for item in files$\_$and$\_$dir if item.endswith$(\text{'}.\text{'}+$ extension$)]$

if $\text{'}-$r$\text{'}$ in options:

for item in files$\_$and$\_$dir:

print$($os$.$path.join$($directory$,$ item$))$

if os$.$path.isdir$($os$.$path.join$($directory$,$ item$))$:

directory$\_$contents$($os$.$path.join$($directory$,$ item$),$ options$)$

else:

for item in files$\_$and$\_$dir:

print$($os$.$path.join$($directory$,$ item$))$

except FileNotFoundError:

print$($f$"$Error: Directory $\text{'}\{$directory$\}\text{'}$ not found."$)$

if $\_\_$name$\_\_=="\_\_$main$\_\_"$:

main$()$