diff -r 88a01948450d -r d33698326409 getting_started_with_strings/slides.org --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/getting_started_with_strings/slides.org Wed Dec 01 16:51:35 2010 +0530 @@ -0,0 +1,80 @@ +#+LaTeX_CLASS: beamer +#+LaTeX_CLASS_OPTIONS: [presentation] +#+BEAMER_FRAME_LEVEL: 1 + +#+BEAMER_HEADER_EXTRA: \usetheme{Warsaw}\usecolortheme{default}\useoutertheme{infolines}\setbeamercovered{transparent} +#+COLUMNS: %45ITEM %10BEAMER_env(Env) %10BEAMER_envargs(Env Args) %4BEAMER_col(Col) %8BEAMER_extra(Extra) +#+PROPERTY: BEAMER_col_ALL 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 :ETC + +#+LaTeX_CLASS: beamer +#+LaTeX_CLASS_OPTIONS: [presentation] + +#+LaTeX_HEADER: \usepackage[english]{babel} \usepackage{ae,aecompl} +#+LaTeX_HEADER: \usepackage{mathpazo,courier,euler} \usepackage[scaled=.95]{helvet} + +#+LaTeX_HEADER: \usepackage{listings} + +#+LaTeX_HEADER:\lstset{language=Python, basicstyle=\ttfamily\bfseries, +#+LaTeX_HEADER: commentstyle=\color{red}\itshape, stringstyle=\color{darkgreen}, +#+LaTeX_HEADER: showstringspaces=false, keywordstyle=\color{blue}\bfseries} + +#+TITLE: +#+AUTHOR: FOSSEE +#+EMAIL: +#+DATE: + +#+DESCRIPTION: +#+KEYWORDS: +#+LANGUAGE: en +#+OPTIONS: H:3 num:nil toc:nil \n:nil @:t ::t |:t ^:t -:t f:t *:t <:t +#+OPTIONS: TeX:t LaTeX:nil skip:nil d:nil todo:nil pri:nil tags:not-in-toc + +* Outline +*** Defining strings +*** Concatenation +*** Accessing individual elements +*** Immutability of strings +* Question 1 + Obtain the string ~%% -------------------- %%~ (20 hyphens) without + typing out all the twenty hyphens. +* Solution 1 + #+begin_src python + s = "%% " + "-"*20 + " %%" + #+end_src +* Question 2 + Given a string, ~s~ which is ~Hello World~ , what is the output of:: + #+begin_src python + s[-5] + s[-10] + s[-15] + #+end_src +* Solution 2 + #+begin_src python + 'W' + 'e' + IndexError + #+end_src +* Summary + In this tutorial we have learnt + + How to define strings + + Different ways of defining a string + + String concatenation and repetition + + Accessing individual elements of the string + + Immutability of strings + +* Thank you! +#+begin_latex + \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_latex + +