chore: add language identifiers

src/content/docs/apm/agents/python-agent/python-agent-api/messagetrace-python-agent-api.mdx

@@ -18,7 +18,7 @@ redirects:
 
 ## Syntax
 
-```
+```py
 newrelic.agent.message_trace(library, operation, destination_type, destination_name, params={})
 ```
 
@@ -46,7 +46,7 @@ For an explanation of the uses of these different call formats, see [Different c
 
 ### Parameters for message_trace [#main-parameters]
 
-```
+```py
 newrelic.agent.message_trace(library, operation, destination_type, destination_name, params={})
 ```
 
@@ -130,15 +130,15 @@ The `message_trace` decorator uses these parameters:
 
 ### Parameters for MessageTrace [#context-mgr-parameters]
 
-```
+```py
 newrelic.agent.MessageTrace(library, operation, destination_type, destination_name, params={})
 ```
 
 The `MessageTrace` context manager takes all of the [parameters](#main-parameters) taken by `message_trace`.
 
 ### Parameters for MessageTraceWrapper [#wrapper-parameters]
 
-```
+```py
 newrelic.agent.MessageTraceWrapper(wrapped, library, operation, destination_type, destination_name, params={})
 ```
 
@@ -174,7 +174,7 @@ The `MessageTraceWrapper` takes all of the same parameters as the [decorator](#m
 
 ### Parameters for wrap_message_trace [#path-based-parameters]
 
-```
+```py
 newrelic.agent.wrap_message_trace(module, object_path, library, operation, destination_type, destination_name, params={})
 ```
 
@@ -230,15 +230,15 @@ The `wrap_message_trace` takes all of the parameters that the [decorator](#main-
 
 An example of using `message_trace`:
 
-```
+```py
 @message_trace('library', 'Consume', 'Exchange', 'x')
 def foo():
     pass
 ```
 
 An example of using `message_trace` decorator with a native coroutine:
 
-```
+```py
 @message_trace('library', 'Consume', 'Exchange', 'x')
 async def foo():
     pass
@@ -248,7 +248,7 @@ async def foo():
 
 An example of using the `MessageTrace` context manager:
 
-```
+```py
 def basic_get(queue, no_ack=False):
     with MessageTrace('library', 'Consume', 'Exchange', 'x'):
         pass
@@ -258,7 +258,7 @@ def basic_get(queue, no_ack=False):
 
 An example of using the `MessageTraceWrapper`:
 
-```
+```py
 wrapped_basic_get = newrelic.agent.MessageTraceWrapper(basic_get, 'library', 'Consume', 'Queue', 'x')
 
 method_frame, header_frame, body = wrapped_basic_get('queue')
@@ -268,6 +268,6 @@ method_frame, header_frame, body = wrapped_basic_get('queue')
 
 An example of using the `wrap_message_trace` path-based wrapper:
 
-```
+```py
 wrap_message_trace('module', 'Foo.bar', 'library', 'Produce', 'Exchange', 'x')
 ```