post done

Concurrence_examples/asyncio_simple_example.py

@@ -0,0 +1,15 @@
+#!/usr/bin/env python3
+
+import asyncio
+
+async def delayed_hello():
+    print("Hello ")
+    await asyncio.sleep(1)
+    print("World!")
+
+
+if __name__ == "__main__":
+    
+    loop = asyncio.get_event_loop()
+    loop.run_until_complete(delayed_hello())
+    loop.close()

Concurrence_examples/threadpool_example.py

@@ -9,9 +9,9 @@ def return_after_5_secs(message):
     return message
  
 pool = ThreadPoolExecutor(3)
-
  
 future = pool.submit(return_after_5_secs, ("hello"))
+
 print(future.done())
 sleep(5)
 print(future.done())

Concurrence_examples/threads_with_queues.py

@@ -33,4 +33,4 @@ task_queue.join()
          
 end_time = time.time()        
  
-print("Time: %ssecs" % (end_time - start_time))
+print('Time: {} secs'.format(end_time - start_time))