What is the use of join

Question

Python join() method

Answer 1

Join()  function is used in threading to make the main thread wait for the child thread to finish before taking the control from it.

Example:
import threading
import time
class mythread(threading.Thread):
    def run(self):
        for x in range(7):
        print("Hi from child")
a = mythread()
a.start()
a.join()
print("Bye from",current_thread().getName())
Output:
Hi from child
Hi from child
Hi from child
Hi from child
Hi from child
Hi from child
Hi from child
Bye from MainThread