updating delete and earn with python sol

delete-and-earn/delete-and-earn-tutorial.tex

@@ -5,6 +5,8 @@
 \usepackage{url}
 \pagenumbering{gobble}
 \usepackage{hyperref}
+\usepackage{graphicx}
+\input{statement/preamble.tex}
 
 \title{ Tutorial: Deletar e Ganhar}
 \author{Leetcode 740}