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#+LaTeX_CLASS: beamer
#+LaTeX_CLASS_OPTIONS: [presentation]
#+BEAMER_FRAME_LEVEL: 1
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#+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:
#+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
*
#+begin_latex
\begin{center}
\vspace{12pt}
\textcolor{blue}{\huge Loops}
\end{center}
\vspace{18pt}
\begin{center}
\vspace{10pt}
\includegraphics[scale=0.95]{../images/fossee-logo.png}\\
\vspace{5pt}
\scriptsize Developed by FOSSEE Team, IIT-Bombay. \\
\scriptsize Funded by National Mission on Education through ICT\\
\scriptsize MHRD,Govt. of India\\
\includegraphics[scale=0.30]{../images/iitb-logo.png}\\
\end{center}
#+end_latex
* Objectives
At the end of this tutorial, you will be able to,
- use the ``for'' loop
- use the ``while'' loop
- Use ``break'', ``continue'' and ``pass'' statements to play around
with loops.
* Pre-requisite
Spoken tutorial on -
- Getting started with ~for~.
- Conditionals.
* Exercise 1
Write a ~while~ loop to print the squares of all the even
numbers below 10.
* Exercise 2
Write a ~for~ loop to print the squares of all the even numbers
below 10.
* Exercise 3
Using the ~continue~ keyword modify the ~for~ loop to print the
squares of even numbers below 10, which are multiples of 4.
(Do not modify the range function call.)
* Summary
In this tutorial, we have learnt to,
- Iterate over a sequence using ``for'' and ``while'' loops.
- Break out of loops using ``break'' statement.
- Skip iterations using ``continue'' statement.
- Use the ``pass'' statement in a loop.
* Evaluation
1. Given ``range(1,4)''; Write a code to print only the number 1.
2. Which statement do you use to skip iterations.
- break
- pass
- continue
* Solutions
1.
#+begin_src Python
for i in range(1,4):
print i
break
#+end_src
2. ~continue~
*
#+begin_latex
\begin{block}{}
\begin{center}
\textcolor{blue}{\Large THANK YOU!}
\end{center}
\end{block}
\begin{block}{}
\begin{center}
For more Information, visit our website\\
\url{http://fossee.in/}
\end{center}
\end{block}
#+end_latex
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