#!/usr/bin/python3
# -*- coding: utf-8 -*-

import threading
import time


def n_printer(num: int) -> None:
    for i in range(num):
        print(i, threading.current_thread().name)
        time.sleep(0.5)


print("Before calling function:")
print(threading.current_thread().name)

threads = []
for init in range(5, 16, 5):
    my_thread = threading.Thread(target=n_printer, args=(init,), name="t" + str(init))
    my_thread.start()
    threads.append(my_thread)