Simple port scanner using Python socket library

port-scanner.py

import socket
import threading
import concurrent.futures
import colorama
from colorama import Fore

colorama.init()
print_lock = threading.Lock()

def title():
    title = """
██████╗  ██████╗ ██████╗ ████████╗    ███████╗ ██████╗ █████╗ ███╗   ██╗███╗   ██╗███████╗██████╗ 
██╔══██╗██╔═══██╗██╔══██╗╚══██╔══╝    ██╔════╝██╔════╝██╔══██╗████╗  ██║████╗  ██║██╔════╝██╔══██╗
██████╔╝██║   ██║██████╔╝   ██║       ███████╗██║     ███████║██╔██╗ ██║██╔██╗ ██║█████╗  ██████╔╝
██╔═══╝ ██║   ██║██╔══██╗   ██║       ╚════██║██║     ██╔══██║██║╚██╗██║██║╚██╗██║██╔══╝  ██╔══██╗
██║     ╚██████╔╝██║  ██║   ██║       ███████║╚██████╗██║  ██║██║ ╚████║██║ ╚████║███████╗██║  ██║
╚═╝      ╚═════╝ ╚═╝  ╚═╝   ╚═╝       ╚══════╝ ╚═════╝╚═╝  ╚═╝╚═╝  ╚═══╝╚═╝  ╚═══╝╚══════╝╚═╝  ╚═╝ 
v1.0.0 
by retr00exe
"""       
    print(title)                                                                                 

def scan(ip, port):
    scanner = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
    scanner.settimeout(100)
    try:
        scanner.connect((ip, port))
        scanner.close()
        with print_lock:
            print(Fore.WHITE + f"[{port}]" + Fore.GREEN + " Opened")
    except:
        pass

def main():
    title()
    ip = input("Enter the IP to scan : ")
    print("[*] Checking from port 1 to port 65535")
    with concurrent.futures.ThreadPoolExecutor(max_workers=100) as executor:
        for port in range(0xFFFF):
            executor.submit(scan, ip, port + 1)

if __name__ == "__main__":
    main()

Hey just reaching out in line 38, what does that function do?
also in line 39: why did you use a hex value instead?

cheers