539 

   540 %% Questions for Quiz %%

   541 %% ------------------ %%

   542 

   543 \begin{frame}

   544     \frametitle{\incqno}

   545   How do you find the presence of an element \emph{x} in the list \emph{a}?

   546 \end{frame}

   547 

   548 

   549 \begin{frame}[fragile]

   550     \frametitle{\incqno}

   551   \begin{lstlisting}

   552 In []: set([1, 2, 8, 2, 13, 8, 9])

   553   \end{lstlisting}

   554   What is the output?

   555 \end{frame}

   556 

   557 \begin{frame}[fragile]

   558     \frametitle{\incqno}

   559   \begin{lstlisting}

   560 In []: a = {'a': 1, 'b': 2} 

   561 In []: a['a'] = 10

   562 In []: print a

   563   \end{lstlisting}

   564   What is the output?

   565 \end{frame}

   566 

   567 \begin{frame}[fragile]

   568     \frametitle{\incqno}

   569   \begin{lstlisting}

   570 In []: for i in range(3, 10, 2):

   571   ...:     print i

   572   \end{lstlisting}

   573   What is the output?

   574 \end{frame}

   575 

   576 \begin{frame}[fragile]

   577     \frametitle{\incqno}

   578   \begin{lstlisting}

   579 In []: a = [1, 2, 3] 

   580 In []: a.extend([5, 6])

   581   \end{lstlisting}

   582   What is the value of a?

   583 \end{frame}

   584 

   585 \begin{frame}[fragile]

   586     \frametitle{\incqno}

   587   \begin{lstlisting}

   588 In []: a = (1, 2, 3)

   589 In []: a[1] = 10

   590   \end{lstlisting}

   591   What is the result?

   592 \end{frame}

   593 

   594 \begin{frame}[fragile]

   595     \frametitle{\incqno}

   596   \begin{lstlisting}

   597 def func(x, y=10):

   598     print x+1, y+10

   599 

   600 func(1)

   601 

   602   \end{lstlisting}

   603   What is the output?

   604 \end{frame}

   605