\usetheme{Boadilla}
\setbeamercovered{transparent}
\setbeamertemplate{navigation symbols}{}

\definecolor{darkgreen}{rgb}{0, 0.5, 0.0}
\newcommand{\docutilsrolegreen}[1]{\color{darkgreen}#1\normalcolor}
\newcommand{\docutilsrolered}[1]{\color{red}#1\normalcolor}

\newcommand{\green}[1]{\color{darkgreen}#1\normalcolor}
\newcommand{\red}[1]{\color{red}#1\normalcolor}

\usepackage{ulem}
\usepackage{listings}

\lstset{language=Python,
        basicstyle=\small\ttfamily,
        keywordstyle=\color{red},
        frame=none,
        stringstyle=\color{blue},
        xleftmargin=10pt,xrightmargin=10pt,
        showstringspaces=false}