How to write a shell script creating users and generating random password for them

I am trying to create 3 users with random password each. I am new to shell scripting and nt sure if I have written the best script to achieve this. Kindly help me check. Thank you

#!/bin/bash
  
function create_user() {
    user_name=$1
    password=$(pwgen 5 1)

    sudo apt install pwgen
    sudo useradd $user_name
    sudo pwgen 5 1
    sudo chmod u+x homework.sh
    sudo grep -i $user_name /etc/passwd

    echo "User $user_name created with password $password"

}

create_user adam
create_user bety
create_user carl