Update code to accomodate update changes in the API

code_examples/1_basics/2_first_programs.py

@@ -270,7 +270,7 @@ async def _(Query, program_2):
         Query(query="What are the key aspects of human cognition?"),
     )
     
-    print(result.pretty_json())
+    print(result.prettify_json())
     
     return (result,)
 

code_examples/1_basics/6_training_programs.py

@@ -43,7 +43,7 @@ def _(mo):
 def _(synalinks):
     gsm8k_input_data_model = synalinks.datasets.gsm8k.get_input_data_model()
     print("GSM8K input schema:\n")
-    print(gsm8k_input_data_model.pretty_schema())
+    print(gsm8k_input_data_model.prettify_schema())
     return (gsm8k_input_data_model,)
 
 
@@ -51,7 +51,7 @@ def _(synalinks):
 def _(synalinks):
     gsm8k_output_data_model = synalinks.datasets.gsm8k.get_output_data_model()
     print("GSM8K output schema:\n")
-    print(gsm8k_output_data_model.pretty_schema())
+    print(gsm8k_output_data_model.prettify_schema())
     return (gsm8k_output_data_model,)