day1/day1quiz1.tex
author Santosh G. Vattam <vattam.santosh@gmail.com>
Fri, 05 Mar 2010 23:59:12 +0530
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Updated dates and session nos.
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% Quiz slides day 1 quiz 1
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%
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% Author: FOSSEE <info at fossee  dot in>
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% Copyright (c) 2005-2009, FOSSEE Team
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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\documentclass[14pt,compress]{beamer}
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\mode<presentation>
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{
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  \useoutertheme{split}
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  \setbeamercovered{transparent}
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}
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\definecolor{darkgreen}{rgb}{0,0.5,0}
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\usepackage{listings}
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\lstset{language=Python,
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    basicstyle=\ttfamily\bfseries,
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    commentstyle=\color{red}\itshape,
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  stringstyle=\color{darkgreen},
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  showstringspaces=false,
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  keywordstyle=\color{blue}\bfseries}
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\newcommand{\kwrd}[1]{ \texttt{\textbf{\color{blue}{#1}}}  }
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% Macros
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\newcounter{qno}
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\setcounter{qno}{0}
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\newcommand{\incqno}{\addtocounter{qno}{1}{Question \theqno}}
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% Title page
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\title[Basic Python]{Python for science and engineering: Day 1, Quiz 1}
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\author[FOSSEE Team] {FOSSEE}
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\institute[IIT Bombay] {Department of Aerospace Engineering\\IIT Bombay}
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\date[] {\today \\Day 1, Quiz 1}
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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\begin{document}
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\begin{frame}
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  \titlepage
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\end{frame}
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\begin{frame}
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  \frametitle{Write your details...}
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On the top right hand corner please write down the following:
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  \begin{itemize}
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    \item Name:
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    \item University/College/Company:
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    \item Student/Teacher/Professional:
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  \end{itemize}
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\end{frame}
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%% \begin{frame}[fragile]
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%% \frametitle{\incqno }
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%% Draw (roughly) the plot obtained by the following:
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%% \begin{lstlisting}
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%% In []: x = linspace(0, 2*pi, 3)
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%% In []: plot(x, sin(x))
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%% \end{lstlisting}
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%% \end{frame}
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\begin{frame}[fragile]
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\frametitle{\incqno }
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Describe the plot produced by the following:
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\begin{lstlisting}
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In []: x = linspace(0, 2*pi, 50)
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In []: plot(x, cos(x), 'go')
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\end{lstlisting}
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Note: Do not draw it, just describe the plot
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\end{frame}
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\begin{frame}
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\frametitle{\incqno }
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How will you plot the previous graph with line width set to 3?  How will
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you set the $x$ and $y$ labels of the plot?
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\end{frame}
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\begin{frame}
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\frametitle{\incqno }
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How will you set the x and y axis limits so that the region of interest
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is in the rectangle $(0, -1.5)$ (left bottom coordinate) and $(2\pi,
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1.5)$ (right top coordinate)?
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\end{frame}
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\begin{frame}
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\frametitle{\incqno }
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What ipython magic command do you use to obtain the lines of code you have already typed in the interpreter? What command do you use to save them?
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\end{frame}
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%% \begin{frame}[fragile]
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%% \frametitle{\incqno }
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%% The following code snippet has an error/bug:
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%% \begin{lstlisting}
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%% In []: y = linspace(0, 2*pi, 50)
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%% In []: plot(y, sin(y))
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%% In []: clf()
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%% In []: plot(y, cos(y))
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%% In []: legend(['sin(y)', 'cos(y)']) 
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%% \end{lstlisting}
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%% What is the error? How do you fix it?  
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%% \end{frame}
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\begin{frame}[fragile]
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\frametitle{\incqno }
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  \begin{lstlisting}
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  In []: a = [1, 2, 5, 9]
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  In []: a[0:-1]
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  \end{lstlisting}
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  What is the output?
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\end{frame}
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\begin{frame}
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\frametitle{\incqno }
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  How do you combine two lists \emph{a} and \emph{b} to produce one list?
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\end{frame}
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\begin{frame}[fragile]
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\frametitle{\incqno }
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  \begin{lstlisting}
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  In []: a = [1, 2, 5, 9]
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  \end{lstlisting}
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  How do you add the value 10 to the end of this list?
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\end{frame}
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\begin{frame}
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\frametitle{\incqno }
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Write the code to read a file \texttt{data.txt} and print each line of it?
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\end{frame}
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%% \begin{frame}[fragile]
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%% \frametitle{\incqno }
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%% What would be the result of the following code snippet:
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%% \begin{lstlisting}
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%% In []: x = linspace(0, 10, 50)
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%% In []: y = linspace(50, 100, 100)
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%% In []: plot(x, y)
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%% \end{lstlisting}
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%% \end{frame}
354
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\begin{frame}[fragile]
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\frametitle{\incqno }
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The following code snippet has an error/bug:
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\begin{lstlisting}
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In []: l = [0.1, 0.2, 0.3, 0.4]
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In []: t = [0.69, 0.90, 1.19, 1.30]
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In []: tsq = []
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In []: for time in t:
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 ....:     tsq.append(time*time)
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 ....:     plot(l, tsq)
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\end{lstlisting}
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What is the error? How do you fix it?
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\end{frame}
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\begin{frame}
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\frametitle{\incqno }
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  A sample line from a Comma Separated Values (CSV) file:\\
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  \vspace*{0.2in}
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  \emph{Rossum, Guido, 42, 56, 34, 54}\\
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  \vspace*{0.2in}
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  What code would you use to separate the line into fields?
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\end{frame}
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\begin{frame}[fragile]
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\frametitle{\incqno }
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  \begin{lstlisting}
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  In []: a = [1, 2, 5, 9]
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  \end{lstlisting}
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  How do you find the length of this list?
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\end{frame}
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\begin{frame}[fragile]
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\frametitle{\incqno }
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  \begin{lstlisting}
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  In [1]: d = {
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          'a': 1,
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          'b': 2
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          }
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  In [2]: print d['c']
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  \end{lstlisting}
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  What is the output?
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\end{frame}
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\begin{frame}[fragile]
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\frametitle{\incqno }
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\begin{lstlisting}
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In []: sc = {'A': 10, 'B': 20, 
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             'C': 70}
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\end{lstlisting}
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Given the above dictionary, what command will you give to plot a
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pie-chart?
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\end{frame}
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\begin{frame}[fragile]
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\frametitle{\incqno }
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\begin{lstlisting}
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In []: marks = [10, 20, 30, 50, 55, 
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                75, 83] 
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\end{lstlisting}
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Given the above marks, how will you calculate the \alert{mean} and
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\alert{standard deviation}?
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\end{frame}
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\begin{frame}[fragile]
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\frametitle{\incqno }
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\begin{lstlisting}
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In []: marks = [10, 20, 30, 50, 55, 
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                75, 83] 
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\end{lstlisting}
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How will you convert the list \texttt{marks} to an \alert{array}?
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\end{frame}
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\end{document}