Updated code highlighting

Author: jtc42

README.md

@@ -4,7 +4,7 @@ This is an (extremely early) minimal Python client for LabThings devices
 
 ## Usage example
 
-```
+```python
 import atexit
 from labthings_client.discovery import ThingBrowser
 
@@ -19,22 +19,26 @@ thing = browser.wait_for_first()
 
 ### Managing properties
 
-```
+```python
 >>> thing.properties
 {'pdfComponentMagicDenoise': <affordances.Property object at 0x00000288F4095548>}
+
 >>> thing.properties.pdfComponentMagicDenoise.set(500) 
 500
+
 >>> thing.properties.pdfComponentMagicDenoise.get()    
 500
+
 >>> 
 ```
 
 
 ### Managing actions
 
-```
+```python
 >>> thing.actions
 {'averageDataAction': <affordances.Action object at 0x00000288F40955C8>}
+
 >>> thing.actions.averageDataAction.args
 {'type': <class 'dict'>,
  'properties': {'n': {'format': 'int32',
@@ -46,9 +50,12 @@ thing = browser.wait_for_first()
                             'required': False,
                             'type': <class 'list'>}},
 }
+
 >>> thing.actions.averageDataAction(n=10)       
 <tasks.ActionTask object at 0x00000288F40D1348>
+
 >>> thing.actions.averageDataAction(n=10).wait()
 [0.0013352326078147302, 0.0008734229673564006, 0.0009756767699519994, 0.0008614760409831329, ...
+
 >>> 
-```
+```