adding chapter 7 source code

Chapter7/multithreading/thread2.py

@@ -0,0 +1,29 @@
+# thread2.py to create daemon and non-daemon threads
+
+from threading import current_thread, Thread as Thread
+from time import sleep
+
+def daeom_func():
+    #print(threading.current_thread().isDaemon())
+    sleep(3)
+    print("{}: Hello from daemon".format
+          (current_thread().name))
+
+
+def nondaeom_func():
+    #print(threading.current_thread().isDaemon())
+    sleep(1)
+    print("{}: Hello from non-daemon".format(
+        current_thread().name))
+
+
+# creating threads
+t1 = Thread(target=daeom_func, name="Daemon Thread",daemon=True)
+t2 = Thread(target=nondaeom_func, name="Non-Daemon Thread")
+
+# start the threads
+t1.start()
+t2.start()
+
+
+print("Exiting the main program")