diff -r 88a01948450d -r d33698326409 manipulating-strings/slides.tex --- a/manipulating-strings/slides.tex Wed Nov 17 23:24:57 2010 +0530 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,150 +0,0 @@ -% Created 2010-10-28 Thu 11:35 -\documentclass[presentation]{beamer} -\usepackage[latin1]{inputenc} -\usepackage[T1]{fontenc} -\usepackage{fixltx2e} -\usepackage{graphicx} -\usepackage{longtable} -\usepackage{float} -\usepackage{wrapfig} -\usepackage{soul} -\usepackage{t1enc} -\usepackage{textcomp} -\usepackage{marvosym} -\usepackage{wasysym} -\usepackage{latexsym} -\usepackage{amssymb} -\usepackage{hyperref} -\tolerance=1000 -\usepackage[english]{babel} \usepackage{ae,aecompl} -\usepackage{mathpazo,courier,euler} \usepackage[scaled=.95]{helvet} -\usepackage{listings} -\lstset{language=Python, basicstyle=\ttfamily\bfseries, -commentstyle=\color{red}\itshape, stringstyle=\color{darkgreen}, -showstringspaces=false, keywordstyle=\color{blue}\bfseries} -\providecommand{\alert}[1]{\textbf{#1}} - -\title{Manipulating strings} -\author{FOSSEE} -\date{} - -\usetheme{Warsaw}\usecolortheme{default}\useoutertheme{infolines}\setbeamercovered{transparent} -\begin{document} - -\maketitle - - - - - - - - - -\begin{frame} -\frametitle{Outline} -\label{sec-1} - -\begin{itemize} -\item Slicing strings to get sub-strings -\item Reversing strings -\item Replacing characters in strings. -\item Converting strings to upper or lower case -\item Joining a list of strings -\end{itemize} -\end{frame} -\begin{frame} -\frametitle{Question 1} -\label{sec-2} - - Obtain the sub-string excluding the first and last characters from - the string \texttt{s}. -\end{frame} -\begin{frame}[fragile] -\frametitle{Solution 1} -\label{sec-3} - -\begin{verbatim} -In []: s[1:-1] -\end{verbatim} -\end{frame} -\begin{frame} -\frametitle{Question 2} -\label{sec-4} - - Given a list week, week = \texttt{week = ["sun", "mon", "tue", "wed", "thu", "fri", "sat"]}. Check if \texttt{s} is a valid name of a day of the - week. Change the solution to this problem, to include forms like, - SAT, SATURDAY, Saturday and Sat. -\end{frame} -\begin{frame}[fragile] -\frametitle{Solution 2} -\label{sec-5} - -\begin{verbatim} -In []: s in week -In []: s.lower()[:3] in week -\end{verbatim} -\end{frame} -\begin{frame} -\frametitle{Question 3} -\label{sec-6} - - Given \texttt{email} -- \texttt{info@fossee[dot]in} - - Replace the \texttt{[dot]} with \texttt{.} in \texttt{email} -\end{frame} -\begin{frame}[fragile] -\frametitle{Solution 3} -\label{sec-7} - -\begin{verbatim} -email.replace('[dot], '.') -print email -\end{verbatim} -\end{frame} -\begin{frame} -\frametitle{Question 4} -\label{sec-8} - - From the \texttt{email\_str} that we generated, change the separator to be a - semicolon instead of a comma. -\end{frame} -\begin{frame}[fragile] -\frametitle{Solution 4} -\label{sec-9} - -\begin{verbatim} -email_str = email_str.replace(",", ";") -\end{verbatim} -\end{frame} -\begin{frame} -\frametitle{Summary} -\label{sec-10} - - You should now be able to -- -\begin{itemize} -\item Slice strings and get sub-strings out of them -\item Reverse strings -\item Replace characters in strings. -\item Convert strings to upper or lower case -\item Join a list of strings -\end{itemize} -\end{frame} -\begin{frame} -\frametitle{Thank you!} -\label{sec-11} - - \begin{block}{} - \begin{center} - This spoken tutorial has been produced by the - \textcolor{blue}{FOSSEE} team, which is funded by the - \end{center} - \begin{center} - \textcolor{blue}{National Mission on Education through \\ - Information \& Communication Technology \\ - MHRD, Govt. of India}. - \end{center} - \end{block} -\end{frame} - -\end{document}