diff -r 88a01948450d -r d33698326409 basic_datatypes_and_operators/slides.org.orig --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/basic_datatypes_and_operators/slides.org.orig Wed Dec 01 16:51:35 2010 +0530 @@ -0,0 +1,158 @@ +#+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: Plotting Data +#+AUTHOR: FOSSEE +#+DATE: 2010-09-14 Tue +#+EMAIL: info@fossee.in + +#+DESCRIPTION: +#+KEYWORDS: +#+LANGUAGE: en +#+OPTIONS: H:1 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 +** Datatypes in Python +*** Numbers +*** Boolean +*** Sequence +** Operators in Python +*** Arithmetic Operators +*** Boolean Operators +** Python Sequence Datatypes +*** list +*** string +*** tuple + +* Numbers + - int + - float + - complex +* Question 1 + - Find the absolute value of 3+4j +* Solution 1 + #+begin_src python + abs(3+4j) + #+end_src python +* Question 2 + - What is the datatype of number 999999999999999999? Is it +not int? + +* Solution 2 + - Long + - Large integers numbers are internally stored in python as Long + datatype. + + +* Boolean + #+begin_src python + In []: t=True + In []: f=False + #+end_src + +* Question 3 + - Using python find sqaure root of 3? + +* Solution 3 + + - 3**0.5 + +* Question 4 + - Is 3**1/2 and 3**0.5 same +* Solution 4 + - No,One gives an int answer and the other float + +* Sequence Data types +** Properties + - Data in Sequence + - Accessed using Index +** Type + - list + - String + - Tuple + +* All are Strings + #+begin_src python + k = 'Single quote' + l = "Double quote contain's single quote" + m = '''"Contain's both"''' + + #+end_src +* Immutabilty Error + #+begin_src python + In []: greeting_string[1]='k' + ------------------------------------------------------- + TypeError Traceback (most recent call last) + + /home/fossee/ in () + + TypeError: 'str' object does not support item assignment + #+end_src + +* Question 5 + Check if 3 is an element of the list [1,7,5,3,4]. In case it is +change it to 21. + +* Solution 5 + #+begin_src python + l=[1,7,5,3,4] + 3 in l + l[3]=21 + l + #+end_src +* Question 6 + Convert the string ~"Elizabeth is queen of england"~ to ~"Elizabeth is +queen"~ + +* Solution 6 + #+begin_src python + s = "Elizabeth is queen of england" + stemp = s.split() + ' '.join(stemp[:3]) + #+end_src +* Summary + - Number Datatypes -- integer,float and complex + - Boolean and datatype and operators + - Sequence data types -- List, String and Tuple + - Accesing sequence + - Slicing sequences + - Finding length, sorting and reversing operations on sequences + - Immutability +* 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 + + + + +