getting_started_with_strings/slides.org
author Puneeth Chaganti <punchagan@fossee.in>
Wed, 01 Dec 2010 16:51:35 +0530
changeset 522 d33698326409
permissions -rw-r--r--
Renamed all LOs to match with their names in progress.org.

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#+LaTeX_CLASS_OPTIONS: [presentation]
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#+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},
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#+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