import socket

cclauss · web-flow · commit d057367fab5d · 2017-09-19T17:52:23.000+08:00
sock on line 51 and 55 is not defined!!
diff --git a/cookbook/c12/p01_start_stop_thread.py b/cookbook/c12/p01_start_stop_thread.py
@@ -1,5 +1,6 @@
-
+import socket
 import time
+
 def countdown(n):
     while n > 0:
         print('T-minus', n)
@@ -12,10 +13,7 @@ def countdown(n):
 t.start()
 
 
-if t.is_alive():
-    print('Still running')
-else:
-    print('Completed')
+print('Still running' if t.is_alive() else 'Completed')
 
 
 t.join()
@@ -82,4 +80,4 @@ def run(self):
 import multiprocessing
 c = CountdownTask(5)
 p = multiprocessing.Process(target=c.run)
-p.start()
+p.start()
