how tohidenode with gdcript in godot code example
Example 1: get list of objects in group godot
var my_group_members = get_tree().get_nodes_in_group("my_group")
Example 2: godot instancing scene through gdscript
var scene = load("res://scenes/MyScene.tscn")
var scene_instance = scene.instance()
add_child(scene_instance)