conditionals/slides.org
author anand
Mon, 15 Nov 2010 15:08:22 +0530
changeset 506 ea74e6056453
parent 438 4523b2048663
permissions -rw-r--r--
checklist not ok; 2 long answer questions have to be added.
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
315
7944a4504769 Conditionals LO - script and questions.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
     1
#+LaTeX_CLASS: beamer
7944a4504769 Conditionals LO - script and questions.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
     2
#+LaTeX_CLASS_OPTIONS: [presentation]
7944a4504769 Conditionals LO - script and questions.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
     3
#+BEAMER_FRAME_LEVEL: 1
7944a4504769 Conditionals LO - script and questions.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
     4
7944a4504769 Conditionals LO - script and questions.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
     5
#+BEAMER_HEADER_EXTRA: \usetheme{Warsaw}\usecolortheme{default}\useoutertheme{infolines}\setbeamercovered{transparent}
7944a4504769 Conditionals LO - script and questions.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
     6
#+COLUMNS: %45ITEM %10BEAMER_env(Env) %10BEAMER_envargs(Env Args) %4BEAMER_col(Col) %8BEAMER_extra(Extra)
7944a4504769 Conditionals LO - script and questions.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
     7
#+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
7944a4504769 Conditionals LO - script and questions.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
     8
7944a4504769 Conditionals LO - script and questions.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
     9
#+LaTeX_CLASS: beamer
7944a4504769 Conditionals LO - script and questions.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    10
#+LaTeX_CLASS_OPTIONS: [presentation]
7944a4504769 Conditionals LO - script and questions.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    11
7944a4504769 Conditionals LO - script and questions.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    12
#+LaTeX_HEADER: \usepackage[english]{babel} \usepackage{ae,aecompl}
7944a4504769 Conditionals LO - script and questions.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    13
#+LaTeX_HEADER: \usepackage{mathpazo,courier,euler} \usepackage[scaled=.95]{helvet}
7944a4504769 Conditionals LO - script and questions.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    14
7944a4504769 Conditionals LO - script and questions.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    15
#+LaTeX_HEADER: \usepackage{listings}
7944a4504769 Conditionals LO - script and questions.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    16
7944a4504769 Conditionals LO - script and questions.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    17
#+LaTeX_HEADER:\lstset{language=Python, basicstyle=\ttfamily\bfseries,
7944a4504769 Conditionals LO - script and questions.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    18
#+LaTeX_HEADER:  commentstyle=\color{red}\itshape, stringstyle=\color{darkgreen},
7944a4504769 Conditionals LO - script and questions.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    19
#+LaTeX_HEADER:  showstringspaces=false, keywordstyle=\color{blue}\bfseries}
7944a4504769 Conditionals LO - script and questions.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    20
437
0840aa06d2e6 Parially cleaned up conditionals LO.
Puneeth Chaganti <punchagan@fossee.in>
parents: 315
diff changeset
    21
#+TITLE:    Conditionals
315
7944a4504769 Conditionals LO - script and questions.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    22
#+AUTHOR:    FOSSEE
7944a4504769 Conditionals LO - script and questions.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    23
#+EMAIL:     
7944a4504769 Conditionals LO - script and questions.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    24
#+DATE:    
7944a4504769 Conditionals LO - script and questions.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    25
7944a4504769 Conditionals LO - script and questions.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    26
#+DESCRIPTION: 
7944a4504769 Conditionals LO - script and questions.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    27
#+KEYWORDS: 
7944a4504769 Conditionals LO - script and questions.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    28
#+LANGUAGE:  en
7944a4504769 Conditionals LO - script and questions.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    29
#+OPTIONS:   H:3 num:nil toc:nil \n:nil @:t ::t |:t ^:t -:t f:t *:t <:t
7944a4504769 Conditionals LO - script and questions.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    30
#+OPTIONS:   TeX:t LaTeX:nil skip:nil d:nil todo:nil pri:nil tags:not-in-toc
7944a4504769 Conditionals LO - script and questions.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    31
7944a4504769 Conditionals LO - script and questions.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    32
* Outline
438
4523b2048663 Reviewed conditionals LO.
Puneeth Chaganti <punchagan@fossee.in>
parents: 437
diff changeset
    33
  In this tutorial, we shall look at
4523b2048663 Reviewed conditionals LO.
Puneeth Chaganti <punchagan@fossee.in>
parents: 437
diff changeset
    34
    + Using if/else blocks 
4523b2048663 Reviewed conditionals LO.
Puneeth Chaganti <punchagan@fossee.in>
parents: 437
diff changeset
    35
    + Using if/elif/else blocks
4523b2048663 Reviewed conditionals LO.
Puneeth Chaganti <punchagan@fossee.in>
parents: 437
diff changeset
    36
    + Using the Ternary conditional statement
437
0840aa06d2e6 Parially cleaned up conditionals LO.
Puneeth Chaganti <punchagan@fossee.in>
parents: 315
diff changeset
    37
315
7944a4504769 Conditionals LO - script and questions.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    38
* Question 1
438
4523b2048663 Reviewed conditionals LO.
Puneeth Chaganti <punchagan@fossee.in>
parents: 437
diff changeset
    39
  Given a number, num. Write an if else block to print num, as is, if
4523b2048663 Reviewed conditionals LO.
Puneeth Chaganti <punchagan@fossee.in>
parents: 437
diff changeset
    40
  it is divisible by 10, else print 10 * num.
315
7944a4504769 Conditionals LO - script and questions.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    41
* Solution 1
7944a4504769 Conditionals LO - script and questions.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    42
  #+begin_src python
438
4523b2048663 Reviewed conditionals LO.
Puneeth Chaganti <punchagan@fossee.in>
parents: 437
diff changeset
    43
    if num%10 == 0: 
4523b2048663 Reviewed conditionals LO.
Puneeth Chaganti <punchagan@fossee.in>
parents: 437
diff changeset
    44
        print num   
4523b2048663 Reviewed conditionals LO.
Puneeth Chaganti <punchagan@fossee.in>
parents: 437
diff changeset
    45
    else:           
4523b2048663 Reviewed conditionals LO.
Puneeth Chaganti <punchagan@fossee.in>
parents: 437
diff changeset
    46
        print 10*num
315
7944a4504769 Conditionals LO - script and questions.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    47
  #+end_src
7944a4504769 Conditionals LO - script and questions.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    48
437
0840aa06d2e6 Parially cleaned up conditionals LO.
Puneeth Chaganti <punchagan@fossee.in>
parents: 315
diff changeset
    49
* ~if/elif~ ladder
315
7944a4504769 Conditionals LO - script and questions.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    50
  #+begin_src python
437
0840aa06d2e6 Parially cleaned up conditionals LO.
Puneeth Chaganti <punchagan@fossee.in>
parents: 315
diff changeset
    51
    if user == 'admin':
0840aa06d2e6 Parially cleaned up conditionals LO.
Puneeth Chaganti <punchagan@fossee.in>
parents: 315
diff changeset
    52
        # Do admin operations
0840aa06d2e6 Parially cleaned up conditionals LO.
Puneeth Chaganti <punchagan@fossee.in>
parents: 315
diff changeset
    53
    elif user == 'moderator':
0840aa06d2e6 Parially cleaned up conditionals LO.
Puneeth Chaganti <punchagan@fossee.in>
parents: 315
diff changeset
    54
        # Do moderator operations
0840aa06d2e6 Parially cleaned up conditionals LO.
Puneeth Chaganti <punchagan@fossee.in>
parents: 315
diff changeset
    55
    elif user == 'client':
0840aa06d2e6 Parially cleaned up conditionals LO.
Puneeth Chaganti <punchagan@fossee.in>
parents: 315
diff changeset
    56
        # Do customer operations
315
7944a4504769 Conditionals LO - script and questions.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    57
  #+end_src
438
4523b2048663 Reviewed conditionals LO.
Puneeth Chaganti <punchagan@fossee.in>
parents: 437
diff changeset
    58
* Question 2
4523b2048663 Reviewed conditionals LO.
Puneeth Chaganti <punchagan@fossee.in>
parents: 437
diff changeset
    59
  Given a number, num. Write a ternary operator to print num, as is,
4523b2048663 Reviewed conditionals LO.
Puneeth Chaganti <punchagan@fossee.in>
parents: 437
diff changeset
    60
  if it is divisible by 10, else print 10 * num.
4523b2048663 Reviewed conditionals LO.
Puneeth Chaganti <punchagan@fossee.in>
parents: 437
diff changeset
    61
* Solution 2
4523b2048663 Reviewed conditionals LO.
Puneeth Chaganti <punchagan@fossee.in>
parents: 437
diff changeset
    62
  #+begin_src python
4523b2048663 Reviewed conditionals LO.
Puneeth Chaganti <punchagan@fossee.in>
parents: 437
diff changeset
    63
    print num if num%10 == 0 else 10*num
4523b2048663 Reviewed conditionals LO.
Puneeth Chaganti <punchagan@fossee.in>
parents: 437
diff changeset
    64
  #+end_src
4523b2048663 Reviewed conditionals LO.
Puneeth Chaganti <punchagan@fossee.in>
parents: 437
diff changeset
    65
* Summary
4523b2048663 Reviewed conditionals LO.
Puneeth Chaganti <punchagan@fossee.in>
parents: 437
diff changeset
    66
  In this tutorial session we learnt
437
0840aa06d2e6 Parially cleaned up conditionals LO.
Puneeth Chaganti <punchagan@fossee.in>
parents: 315
diff changeset
    67
438
4523b2048663 Reviewed conditionals LO.
Puneeth Chaganti <punchagan@fossee.in>
parents: 437
diff changeset
    68
    + What are conditional statements
4523b2048663 Reviewed conditionals LO.
Puneeth Chaganti <punchagan@fossee.in>
parents: 437
diff changeset
    69
    + if/else statement
4523b2048663 Reviewed conditionals LO.
Puneeth Chaganti <punchagan@fossee.in>
parents: 437
diff changeset
    70
    + if/elif/else statement
4523b2048663 Reviewed conditionals LO.
Puneeth Chaganti <punchagan@fossee.in>
parents: 437
diff changeset
    71
    + Ternary conditional statement - ~C if X else Y~
4523b2048663 Reviewed conditionals LO.
Puneeth Chaganti <punchagan@fossee.in>
parents: 437
diff changeset
    72
    + and the ~pass~ statement
437
0840aa06d2e6 Parially cleaned up conditionals LO.
Puneeth Chaganti <punchagan@fossee.in>
parents: 315
diff changeset
    73
315
7944a4504769 Conditionals LO - script and questions.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    74
* Thank you!
7944a4504769 Conditionals LO - script and questions.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    75
#+begin_latex
7944a4504769 Conditionals LO - script and questions.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    76
  \begin{block}{}
7944a4504769 Conditionals LO - script and questions.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    77
  \begin{center}
7944a4504769 Conditionals LO - script and questions.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    78
  This spoken tutorial has been produced by the
7944a4504769 Conditionals LO - script and questions.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    79
  \textcolor{blue}{FOSSEE} team, which is funded by the 
7944a4504769 Conditionals LO - script and questions.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    80
  \end{center}
7944a4504769 Conditionals LO - script and questions.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    81
  \begin{center}
7944a4504769 Conditionals LO - script and questions.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    82
    \textcolor{blue}{National Mission on Education through \\
7944a4504769 Conditionals LO - script and questions.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    83
      Information \& Communication Technology \\ 
7944a4504769 Conditionals LO - script and questions.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    84
      MHRD, Govt. of India}.
7944a4504769 Conditionals LO - script and questions.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    85
  \end{center}  
7944a4504769 Conditionals LO - script and questions.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    86
  \end{block}
7944a4504769 Conditionals LO - script and questions.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    87
#+end_latex
7944a4504769 Conditionals LO - script and questions.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    88
7944a4504769 Conditionals LO - script and questions.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
    89