add daemon thread tutorial

Author: x4nth055

README.md

@@ -121,6 +121,7 @@ This is a repository of all the tutorials of [The Python Code](https://www.thepy
     - [Logging in Python](https://www.thepythoncode.com/article/logging-in-python). ([code](python-standard-library/logging))
     - [How to Make a Chat Application in Python](https://www.thepythoncode.com/article/make-a-chat-room-application-in-python). ([code](python-standard-library/chat-application))
     - [How to Delete Emails in Python](https://www.thepythoncode.com/article/deleting-emails-in-python). ([code](python-standard-library/deleting-emails))
+    - [Daemon Threads in Python](https://www.thepythoncode.com/article/daemon-threads-in-python). ([code](python-standard-library/daemon-thread))
 
 - ### [Using APIs](https://www.thepythoncode.com/topic/using-apis-in-python)
     - [How to Automate your VPS or Dedicated Server Management in Python](https://www.thepythoncode.com/article/automate-veesp-server-management-in-python). ([code](general/automating-server-management))

python-standard-library/daemon-thread/README.md

@@ -0,0 +1 @@
+# [Daemon Threads in Python](https://www.thepythoncode.com/article/daemon-threads-in-python)

python-standard-library/daemon-thread/daemon_thread.py

@@ -0,0 +1,18 @@
+import threading
+import time
+
+def func_1():
+    while True:
+        print(f"[{threading.current_thread().name}] Printing this message every 2 seconds")
+        time.sleep(2)
+
+# initiate the thread with daemon set to True
+daemon_thread = threading.Thread(target=func_1, name="daemon-thread", daemon=True)
+# or
+# daemon_thread.daemon = True
+# or
+# daemon_thread.setDaemon(True)
+daemon_thread.start()
+# sleep for 10 seconds and end the main thread
+time.sleep(4)
+# the main thread ends

python-standard-library/daemon-thread/normal_thread.py

@@ -0,0 +1,15 @@
+import threading
+import time
+
+def func():
+    while True:
+        print(f"[{threading.current_thread().name}] Printing this message every 2 seconds")
+        time.sleep(2)
+
+# initiate the thread to call the above function
+normal_thread = threading.Thread(target=func, name="normal_thread")
+# start the thread
+normal_thread.start()
+# sleep for 4 seconds and end the main thread
+time.sleep(4)
+# the main thread ends