#+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: Getting started with Lists #+AUTHOR: FOSSEE #+DATE: 2010-09-14 Tue #+EMAIL: info@fossee.in #+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 - How to create lists - Structure of lists - Access list elements - Append elements to lists - Deleting elements from lists * Question 1 - What happens when you do nonempty[-1]. * Solution 1 - It gives the last element , 1.234 * Questions - What is the syntax to get the element 'and' in the list,listinlist ? - How would you get 'and' using negative indices? * Solutions #+begin_src python listinlist[1] listinlist[-5] #+end_src python * Questions - Remove the third element from the list, listinlist. - Remove 'and' from the list, listinlist. * Solutions #+begin_src python del(listinlist[2]) listinlist.remove('and') #+end_src python * Summary #+begin_src python l=[1,2,3,4] l[-1] l.append(5) del(l[2]) l.remove(2) len(l) #+end_src python * 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