refactor: уникальные имена функций-обработчиков

handle() → run_sql()    (sql_runner.py,  entrypoint: sql_runner.run_sql)
handle() → crud()       (notes_crud.py,  entrypoint: notes_crud.crud)
handle() → list_notes() (notes_list.py,  entrypoint: notes_list.list_notes)

examples/notes-python/code/notes-list/notes_list.py

@@ -15,7 +15,7 @@ import psycopg2
 import psycopg2.extras
 
 
-def handle(event):
+def list_notes(event):
     dsn = os.environ['PG_DSN']
     conn = psycopg2.connect(dsn)
     try:

examples/notes-python/code/notes/notes_crud.py

@@ -17,7 +17,7 @@ import psycopg2
 import psycopg2.extras
 
 
-def handle(event):
+def crud(event):
     dsn = os.environ['PG_DSN']
     # sub-path без ведущего слэша: "add", "update", "delete"
     action = event.get('_path', '/').strip('/')

examples/notes-python/code/sql-runner/sql_runner.py

@@ -19,7 +19,7 @@ import os
 import psycopg2
 
 
-def handle(event):
+def run_sql(event):
     dsn = os.environ['PG_DSN']
     statements = event.get('statements', [])
     if not statements: