split by functions

content.tex

@@ -1,26 +1,3 @@
-%-------------------main body-------------------------%
-\usepackage[english]{babel}
-\usepackage{amsmath,amssymb,amstext} % math
-\usepackage{float}
-\usepackage{array}           % array table
-\usepackage{fancyhdr}        % header footer
-\usepackage{graphicx}        % figure
-\usepackage{lmodern}
-\usepackage{xcolor}
-\usepackage{algorithm2e}
-\usepackage{booktabs}
-
-\author{Zhibo Wang}
-\title{Beamer Theme}
-\date{November 26th, 2018}
-
-\AtBeginSection[]{
-    \frame{\frametitle{Outline}\tableofcontents[currentsection, 
-    subsectionstyle=show/show/shaded]}
-}
-
-\begin{document}
-
 \frame[plain]{\titlepage}
 \frame{\frametitle{Outline}\tableofcontents}
 
@@ -178,8 +155,6 @@
 \subsection{Table}
 
 
-
-
 \begin{frame}{Create Tables}
     \begin{center}
         \begin{table}[!t]  
@@ -198,10 +173,10 @@
     \end{center}
 \end{frame}
 
+
+
 \section{Conclusion}
 
 \begin{frame}{End}
     This document just aims to test styles in beamer.
 \end{frame}
-
-\end{document} 

example169.tex

@@ -1,3 +1,7 @@
 \documentclass[aspectratio=169]{beamer}
-\input{template_long.tex}
+    \input{pkgs.tex}
+    \input{setting169.tex}
+    \input{global.tex}
+    \begin{document}
         \input{content.tex}
+    \end{document}

example43.tex

@@ -1,10 +1,7 @@
 \documentclass{beamer}
-
-    \usetheme{Copenhagen}
-    \usecolortheme{beaver}
-    \input{template_short.tex}
-
+    \input{pkgs.tex}
+    \input{global.tex}
+    \input{setting43.tex}
+    \begin{document}
         \input{content.tex}
-
-
-    
+    \end{document}

global.tex

@@ -0,0 +1,8 @@
+\author{Zhibo Wang}
+\title{Beamer Theme}
+\date{November 26th, 2018}
+
+\AtBeginSection[]{
+    \frame{\frametitle{Outline}\tableofcontents[currentsection, 
+    subsectionstyle=show/show/shaded]}
+}

pkgs.tex

@@ -0,0 +1,5 @@
+\usepackage[english]{babel}
+\usepackage{fancyhdr}        % header footer
+\usepackage{graphicx}        % figure
+\usepackage{algorithm2e}
+\usepackage{booktabs}