Accept with cursor in place with ctrl + down, move left after accepting

IPython/terminal/shortcuts/__init__.py

@@ -358,6 +358,9 b' def create_ipython_shortcuts(shell, for_all_platforms: bool = False):'
         auto_suggest.accept_character
     )
     kb.add("left", filter=has_suggestion & has_focus(DEFAULT_BUFFER))(
+        auto_suggest.accept_and_move_cursor_left
+    )
+    kb.add("c-down", filter=has_suggestion & has_focus(DEFAULT_BUFFER))(
         auto_suggest.accept_and_keep_cursor
     )
     kb.add("backspace", filter=has_suggestion & has_focus(DEFAULT_BUFFER))(

IPython/terminal/shortcuts/auto_suggest.py

@@ -164,8 +164,12 b' def accept_and_keep_cursor(event: KeyPressEvent):'
     if suggestion:
         buffer.insert_text(suggestion.text)
         buffer.cursor_position = old_position
-    else:
-        nc.backward_char(event)
+
+
+def accept_and_move_cursor_left(event: KeyPressEvent):
+    """Accept autosuggestion and move cursor left"""
+    accept_and_keep_cursor(event)
+    nc.backward_char(event)
 
 
 def backspace_and_resume_hint(event: KeyPressEvent):