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## PubNub 3.5.0 Web Data Push Cloud-hosted API - PYTHON TORNADO
#### www.pubnub.com - PubNub Web Data Push Service in the Cloud.
#### http://github.com/pubnub/python
#### Import
```
from Pubnub import PubnubTornado as Pubnub
```
#### Init
pubnub = Pubnub(publish_key="demo", subscribe_key="demo", ssl_on=False)
#### Publish Example
```
channel = 'hello_world'
message = 'Hello World !!!'
# Asynchronous usage
def callback(message):
print(message)
pubnub.publish(channel, message, callback=callback, error=callback)
```
#### IO Event Loop
##### VERY IMPORTANT TO ADD THIS LINE AT THE VERY BOTTOM!
```
pubnub.start()
```
#### Subscribe Example
```
channel = 'hello_world'
def callback(message, channel):
print(message)
def error(message):
print("ERROR : " + str(message))
def connect(message):
print("CONNECTED")
def reconnect(message):
print("RECONNECTED")
def disconnect(message):
print("DISCONNECTED")
pubnub.subscribe(channel, callback=callback, error=callback,
connect=connect, reconnect=reconnect, disconnect=disconnect)
```
#### History Example
```
def callback(message):
print(message)
pubnub.history(channel, count=2, callback=callback, error=callback)
```
#### IO Event Loop start
```
pubnub.start()
```
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