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#+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
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#+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/<ipython console> in <module>()

      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