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    10 #+LaTeX_CLASS_OPTIONS: [presentation]

    11 

    12 #+LaTeX_HEADER: \usepackage[english]{babel} \usepackage{ae,aecompl}

    13 #+LaTeX_HEADER: \usepackage{mathpazo,courier,euler} \usepackage[scaled=.95]{helvet}

    14 

    15 #+LaTeX_HEADER: \usepackage{listings}

    16 

    17 #+LaTeX_HEADER:\lstset{language=Python, basicstyle=\ttfamily\bfseries,

    18 #+LaTeX_HEADER:  commentstyle=\color{red}\itshape, stringstyle=\color{darkgreen},

    19 #+LaTeX_HEADER:  showstringspaces=false, keywordstyle=\color{blue}\bfseries}

    20 

    21 #+TITLE: Plotting Data 

    22 #+AUTHOR: FOSSEE

    23 #+DATE: 2010-09-14 Tue

    24 #+EMAIL: info@fossee.in

    25 

    26 #+DESCRIPTION: 

    27 #+KEYWORDS: 

    28 #+LANGUAGE:  en

    29 #+OPTIONS:   H:1 num:nil toc:nil \n:nil @:t ::t |:t ^:t -:t f:t *:t <:t

    30 #+OPTIONS:   TeX:t LaTeX:nil skip:nil d:nil todo:nil pri:nil tags:not-in-toc

    31 #+STARTUP:    align fold nodlcheck hidestars oddeven lognotestate

    32 

    33 * Outline 

    34 ** Datatypes in Python

    35 *** Numbers

    36 *** Boolean

    37 *** Sequence

    38 ** Operators in Python

    39 *** Arithmetic Operators

    40 *** Boolean Operators

    41 ** Python Sequence Datatypes

    42 *** list

    43 *** string

    44 *** tuple

    45 

    46 * Numbers

    47   - int

    48   - float

    49   - complex

    50 * Question 1

    51    - Find the absolute value of 3+4j 

    52 * Solution 1

    53   #+begin_src python

    54     abs(3+4j)

    55   #+end_src python

    56 * Question 2

    57   - What is the datatype of number 999999999999999999? Is it

    58 not int?

    59 

    60 * Solution 2

    61   - Long

    62   - Large integers numbers are internally stored in python as Long

    63     datatype.

    64 

    65 

    66 * Boolean

    67   #+begin_src python

    68     In []: t=True

    69     In []: f=False

    70   #+end_src

    71 

    72 * Question 3

    73   - Using python find sqaure root of 3?

    74 

    75 * Solution 3

    76 

    77   - 3**0.5

    78 

    79 * Question 4

    80   - Is 3**1/2 and 3**0.5 same

    81 * Solution 4

    82   - No,One gives an int answer and the other float        

    83 

    84 * Sequence Data types

    85 ** Properties

    86  - Data in Sequence 

    87  - Accessed using Index

    88 ** Type

    89  - list

    90  - String

    91  - Tuple

    92 

    93 * All are Strings

    94    #+begin_src python 

    95       k = 'Single quote'

    96       l = "Double quote contain's single quote"

    97       m = '''"Contain's both"'''

    98 

    99     #+end_src 

   100 * Immutabilty Error

   101    #+begin_src python

   102       In []: greeting_string[1]='k'

   103       -------------------------------------------------------

   104       TypeError           Traceback (most recent call last)

   105 

   106       /home/fossee/<ipython console> in <module>()

   107 

   108       TypeError: 'str' object does not support item assignment

   109    #+end_src 

   110 

   111 * Question 5

   112   Check if 3 is an element of the list [1,7,5,3,4]. In case it is

   113 change it to 21.

   114 

   115 * Solution 5

   116      #+begin_src python

   117         l=[1,7,5,3,4]

   118         3 in l

   119         l[3]=21

   120         l

   121      #+end_src

   122 * Question 6

   123   Convert the string ~"Elizabeth is queen of england"~ to ~"Elizabeth is

   124 queen"~

   125 

   126 * Solution 6

   127      #+begin_src python

   128     s = "Elizabeth is queen of england"                                                                                                                 

   129     stemp = s.split()                                                                                                                                   

   130     ' '.join(stemp[:3])                                                                                                                               

   131     #+end_src 

   132 * Summary 

   133   - Number Datatypes -- integer,float and complex 

   134   - Boolean and datatype and operators

   135   - Sequence data types -- List, String and Tuple

   136   - Accesing sequence

   137   - Slicing sequences

   138   - Finding length, sorting and reversing operations on sequences

   139   - Immutability

   140 * Thank you!

   141 #+begin_latex

   142   \begin{block}{}

   143   \begin{center}

   144   This spoken tutorial has been produced by the

   145   \textcolor{blue}{FOSSEE} team, which is funded by the 

   146   \end{center}

   147   \begin{center}

   148     \textcolor{blue}{National Mission on Education through \\

   149       Information \& Communication Technology \\ 

   150       MHRD, Govt. of India}.

   151   \end{center}  

   152   \end{block}

   153 #+end_latex

   154 

   155 

   156 

   157 

   158