Add better client example

Messaging/clientEx copy.py

@@ -0,0 +1,46 @@
+import paho.mqtt.client as mqtt
+import time
+import ssl
+
+connected = False
+
+def on_connect(client, userdata, flags, rc):
+    print("Connected with result code " + str(rc))
+    if rc == 0:
+        global connected
+        connected = True
+
+    client.subscribe('hello/test', qos=1)
+
+def on_message(client, userdata, message):
+    p = str(message.payload)
+    p = message.payload.decode('utf-8', errors="strict")
+    print("Received message '" + p + "' on topic '" 
+    + message.topic + "' with QoS " + str(message.qos))
+
+mqttc = mqtt.Client()
+
+# mqttc.tls_set_context(context = ssl.create_default_context())
+
+mqttc.on_connect = on_connect
+mqttc.on_message = on_message
+
+mqttc.connect('10.1.3.123', 1883, 60)
+
+mqttc.loop_start()
+
+pub = input("Enter something to publish: ")
+
+while pub != 'q':
+    if(connected):
+        mqttc.publish('hello/test', pub)
+        pub = input("Enter something to publish: ")
+        print('Message is: ' + pub)
+    else:
+        pub = input('Would you like to reconnect? ')
+        if pub == 'y':
+            mqttc.reconnect()
+        time.sleep(2)
+
+mqttc.loop_stop()
+mqttc.disconnect()