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% Quiz slides day 1 quiz 1
%
% Author: FOSSEE <info at fossee  dot in>
% Copyright (c) 2005-2009, FOSSEE Team
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\usepackage{listings}
\lstset{language=Python,
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% Macros

\newcounter{qno}
\setcounter{qno}{0}
\newcommand{\incqno}{\addtocounter{qno}{1}{Question \theqno}}

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% Title page
\title[Basic Python]{Python for science and engineering: Day 1, Quiz 1}

\author[FOSSEE Team] {FOSSEE}

\institute[IIT Bombay] {Department of Aerospace Engineering\\IIT Bombay}
\date[] {\today \\Day 1, Quiz 1}
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\begin{document}

\begin{frame}
  \titlepage
\end{frame}

\begin{frame}
  \frametitle{Write your details...}
On the top right hand corner please write down the following:
  \begin{itemize}
    \item Name:
    \item University/College/Company:
    \item Student/Teacher/Professional:
  \end{itemize}
\end{frame}

\begin{frame}[fragile]
\frametitle{\incqno }
Describe the plot produced by the following:

\begin{lstlisting}
In []: x = linspace(0, 2*pi)
In []: plot(x, cos(x), 'go')
\end{lstlisting}
\end{frame}

\begin{frame}
\frametitle{\incqno }
How will you plot the previous graph with line width set to 3?  How will
you set the $x$ and $y$ labels of the plot?
\end{frame}

\begin{frame}
\frametitle{\incqno }
How will you set the x and y axis limits so that the region of interest
is in the rectangle $(0, -1.5)$ (left bottom coordinate) and $(2\pi,
1.5)$ (right top coordinate)?
\end{frame}

\begin{frame}
\frametitle{\incqno }
  A sample line from a Comma Separated Values (CSV) file:\\
  \vspace*{0.2in}
  \emph{Rossum, Guido, 42, 56, 34, 54}\\
  \vspace*{0.2in}
  What code would you use to separate the line into fields?
\end{frame}

\begin{frame}[fragile]
\frametitle{\incqno }
  \begin{lstlisting}
  In []: a = [1, 2, 5, 9]
  In []: a[0:-1]
  \end{lstlisting}
  What is the output?
\end{frame}

\begin{frame}
\frametitle{\incqno }
  How do you combine two lists \emph{a} and \emph{b} to produce one list?
\end{frame}

\begin{frame}[fragile]
\frametitle{\incqno }
  \begin{lstlisting}
  In []: a = [1, 2, 5, 9]
  \end{lstlisting}
  How do you add the value 10 to the end of this list?
\end{frame}

\begin{frame}[fragile]
\frametitle{\incqno }
  \begin{lstlisting}
  In []: a = [1, 2, 5, 9]
  \end{lstlisting}
  How do you find the length of this list?
\end{frame}

\begin{frame}[fragile]
\frametitle{\incqno }
  \begin{lstlisting}
  In [1]: d = {
          'a': 1,
          'b': 2
          }
  In [2]: print d['c']
  \end{lstlisting}
  What is the output?
\end{frame}

%% \begin{frame}[fragile]
%% \frametitle{\incqno }
%%   \begin{lstlisting}
%%   for x in "abcd":
%%       print x

%%   a
%%   b
%%   c
%%   d
%%   \end{lstlisting}
%%   How do you get the following output? 
%%   \begin{lstlisting}
%%     0 a
%%     1 b
%%     2 c
%%     3 d
%%   \end{lstlisting}
%% \end{frame}

\begin{frame}
\frametitle{\incqno }
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?
\end{frame}

\begin{frame}
\begin{lstlisting}
In []: sc = {'A': 10, 'B': 20, 
             'C': 70}
\end{lstlisting}
Given the above dictionary, what command will you give to plot a
pie-chart?
\end{frame}


\begin{frame}[fragile]
\frametitle{\incqno }
\begin{lstlisting}
In []: marks = [10, 20, 30, 50, 55, 
                75, 83] 
\end{lstlisting}

Given the above marks, how will you calculate the \alert{mean} and
\alert{standard deviation}?
\end{frame}

%\begin{frame}[fragile]
%\frametitle{\incqno }
%\begin{lstlisting}
%In []: marks = [10, 20, 30, 50, 55, 
%                75, 83] 
%\end{lstlisting}
%How will you convert the list \texttt{marks} to an \alert{array}?
%\end{frame}

%% \begin{frame}[fragile]
%% \frametitle{\incqno }
%% \begin{lstlisting}
%% In []: a = array([[1, 2],
%%                   [3, 4]])
%% In []: a[1,0] = 0
%% \end{lstlisting}
%% What is the resulting matrix?
%% \end{frame}

%% \begin{frame}[fragile]
%% \frametitle{\incqno }
%% \begin{lstlisting}
%% In []: a = array([[1, 2],
%%                   [3, 4]])
%% \end{lstlisting}
%% How do you get the transpose of this array?
%% \end{frame}

%% \begin{frame}[fragile]
%% \frametitle{\incqno }
%% \begin{lstlisting}
%% In []: a = array([[1, 2],
%%                   [3, 4]])
%% In []: b = array([[1, 1],
%%                   [2, 2]])
%% In []: a*b
%% \end{lstlisting}
%% What does this produce?
%% \end{frame}

%% \begin{frame}
%% \frametitle{\incqno }
%% What command do you use to find the inverse of a matrix and its
%% eigenvalues?
%% \end{frame}

%% \begin{frame}
%% \frametitle{\incqno }
%% Given a 4x4 matrix \texttt{A} and a 4-vector \texttt{b}, what command do
%% you use to solve for the equation \\
%% \texttt{Ax = b}?
%% \end{frame}

\begin{frame}
\frametitle{\incqno }
Write the code to read a file \texttt{data.txt} and print each line of it?
\end{frame}

\begin{frame}[fragile]
\frametitle{\incqno }
What is the output of:
\begin{lstlisting}
In []: x=linspace(0 , 2 * pi)
In []: plot(x, cos(x),'go')
\end{lstlisting}
\end{frame}

\begin{frame}
\frametitle{\incqno }
Draw a plot with line width 3.
\end{frame}

\begin{frame}
\frametitle{\incqno }
Setting x and y axis limits.
\end{frame}

\begin{frame}[fragile]
\frametitle{\incqno }
The following code snippet has an error/bug:
\begin{lstlisting}
In []: l = [0.1, 0.2, 0.3, 0.4]
In []: t = [0.69, 0.90, 1.19, 1.30]
In []: tsq = []
In []: for time in t:
 ....:     tsq.append(time*time)
 ....:     plot(l, tsq)
\end{lstlisting}

What is the error? How do you fix it?
\end{frame}

\end{document}
