From c94ebaa260c117875ab324dec97afd2568f0834f Mon Sep 17 00:00:00 2001
From: BillyLikesHacking <86190295+BillyLikesHacking@users.noreply.github.com>
Date: Fri, 22 Oct 2021 20:03:58 +0800
Subject: [PATCH] Update vectorized_mobject.py

---
 manimlib/mobject/types/vectorized_mobject.py | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/manimlib/mobject/types/vectorized_mobject.py b/manimlib/mobject/types/vectorized_mobject.py
index 1bf29d73..1037cc25 100644
--- a/manimlib/mobject/types/vectorized_mobject.py
+++ b/manimlib/mobject/types/vectorized_mobject.py
@@ -993,6 +993,16 @@ class VGroup(VMobject):
             raise Exception("All submobjects must be of type VMobject")
         super().__init__(**kwargs)
         self.add(*vmobjects)
+    
+    def __add__(self:'VGroup', other : 'VMobject' or 'VGroup'):
+        assert(isinstance(other, VMobject))
+        if isinstance(other, VGroup):
+            return VGroup(*self, *other)
+        if isinstance(other, Mobject):
+            return Group(*self) + other
+        if other in self:
+            return self.add(other.copy())
+        return self.add(other)
 
 
 class VectorizedPoint(Point, VMobject):