CLEAN : Argentina's Fernandez welcomed in Chile by counterpart Pinera

The video concludes the tutorial by summarizing the key points discussed.

What is the main focus of the conclusion in the video?

• Introducing new concepts

• Summarizing the discussed topic

• Providing detailed examples

• Explaining complex theories

Which part of the video summarizes the key points?

• The Q&A session

• The introduction

• The middle section

• The conclusion