What is wrong with this code? #$!/$bin$/$bash

echo $"========================="$

echo "Developer: Lino J Leos"

echo $"========================="$

# Available tools

tool$=("$Hammer$"$ "pliers" "Saw" "Screwdriver" "Mallet"$)$

echo "See what you can get free if you buy one"

# Prompt user for choice

read $-$p "Enter the tool bought $[$enter Hammer, Pliers, Saw, Screwdriver, Mallet$]$: $"$ choice

if $[["$ $$\{$tool$[*]\}"=$~ $"$ $$\{$choice$\}"]]$; then

Echo "You have bought a: $choice"

# Remove the chosen tool from list

free$\_$tool$=("$$$\{$tool$[$@$]/$$choice$\}")$

tool$2=("$Hammer$"$

"pliers"

"Saw"

"Screwdriver"

"Mallet" $-"$$free$\_$tool"$)$

# Select a free tool

echo $-$e$"$$tool$2"$

echo $"$As part of our special offer, you get a free $free$\_$tool with your purchase!"

read $-$p "Enter the free tool picked $[$enter $tool$]$: $"$ choice$2$

if $[["$ $$\{$tool$2[*]\}"=$~ $"$$$\{$choice$2\}"]]$; then

echo "You have chosen: $"$ $choice$2"$

else

echo "Error: Please enter a valid tool name from the list"

fi