diff -r 88a01948450d -r d33698326409 manipulating-lists/slides.org --- a/manipulating-lists/slides.org Wed Nov 17 23:24:57 2010 +0530 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,94 +0,0 @@ -#+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: Manipulating Lists -#+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 -#+STARTUP: align fold nodlcheck hidestars oddeven lognotestate - -* Outline - In this session we shall be looking at - - Concatenating lists - - Obtaining parts of lists - - Sorting lists - - Reversing lists -* Question 1 - Obtain the primes less than 10, from the list ~primes~. -* Solution 1 - #+begin_src python - primes[0:4] - #+end_src python -* Slicing - #+begin_src python - p[start:stop] - #+end_src python - - Returns all elements of ~p~ between ~start~ and ~stop~ - - The element with index equal to ~stop~ is *not* included. -* Question 2 - Obtain all the multiples of three from the list ~num~. -* Solution 2 - #+begin_src python - num[::3] - #+end_src python -* Question 3 - Given a list of marks of students in an examination, obtain a list - with marks in descending order. - #+begin_src python - marks = [99, 67, 47, 100, 50, 75, 62] - #+end_src python -* Solution 3 - #+begin_src python - sorted(marks)[::-1] - #+end_src python -OR - #+begin_src python - sorted(marks, reverse=True) - #+end_src python - -* Summary - In this tutorial session we learnt - + Obtaining parts of lists using slicing and striding - + List concatenation - + Sorting lists - + Reversing lists - -* 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 - -