should use reversed frames, not the original frames

labs/list_iterators_new/README.md

@@ -42,6 +42,10 @@ Example 5:
 
 This is the [original GIF](seat_real.gif). And this is the [reversed GIF](seat_fake.gif).
 
+Example 6:
+
+This is the [original GIF](pool_real.gif). And this is the [reversed GIF](pool_fake.gif).
+
 ## Starter Code
 
 The starter code [main.cpp](main.cpp) defines a class named GifFrame to represents GIF frames. Each object of this class represents one frame.

labs/list_iterators_new/main.cpp

@@ -290,7 +290,7 @@ int main() {
 	std::vector<GifFrame> reversedFrames = reverseFrames(frames);
 	
 	// write out the new GIF with the complete header
-	writeGif("reversed.gif", completeHeader, frames, loopExtension);
+	writeGif("reversed.gif", completeHeader, reversedFrames, loopExtension);
 
 	return 0;
 }