Workshop materials: comparison day1/session2.tex

equal deleted inserted replaced

-:b3a78754c4a9
+:c10d8cb8d690
 \section{Creating and running scripts}
 \begin{frame}
 {Creating python files}
 \begin{itemize}
-\item aka scripts
 \item use your editor
 \item extension \typ{.py}
-\item run with \typ{python hello.py} at the command line
 \item in IPython using \kwrd{\%run}
 \end{itemize}
 \inctime{5}
 \end{frame}
 \section{Files Handling}
-\begin{frame}[fragile]
-\frametitle{Basic File Operations}
-Opening and Reading files
-\begin{small}
-\begin{lstlisting}
-In []: f = open('hello.py')
-In []: data = f.read() # Read entire file.
-In []: line = f.readline() # Read 1 line.
-In []: f.close() # close the file.
-\end{lstlisting}
-\end{small}
-Writing files
-\begin{lstlisting}
-In []: f = open('hello.txt', 'w')
-In []: f.write('hello world\n')
-In []: f.close()
-\end{lstlisting}
-\begin{itemize}
-\item Everything read or written is a string
-\end{itemize}
-\end{frame}
 \begin{frame}[fragile]
 \frametitle{File and \kwrd{for}}
 \begin{lstlisting}
 In []: f = open('dummyfile')
 In []: for line in f:
 ...:     print line
 ...:
 \end{lstlisting}
-\inctime{10}
+\inctime{5}
 \end{frame}
 \section{Strings}
-\begin{frame}[fragile]
+\begin{frame}{Strings}
-\frametitle{Strings}
+Anything within ``quotes'' is a string!
-\begin{lstlisting}
-s = 'this is a string'
-s = 'This one has "quotes" inside!'
-s = "I have 'single-quotes' inside!"
-l = "A string spanning many lines\
-one more line\
-yet another"
-t = """A triple quoted string does
-not need to be escaped at the end and
-"can have nested quotes" etc."""
-\end{lstlisting}
 \end{frame}
 \begin{frame}[fragile]\frametitle{Strings and \typ{split()}}
 \begin{lstlisting}
 In []: a = 'hello world'
 \end{frame}
 \section{Plotting points}
 \begin{frame}[fragile]
 \frametitle{How to plot points?}
-We saw how to plot graphs, lets now look at how to plot points.\\
 \begin{lstlisting}
 In []: plt.plot(x, sin(x), 'ro')
 Out[]: [<matplotlib.lines.Line2D object at 0xac17e0c>]
 \end{lstlisting}
 \begin{itemize}
 \section{Lists}
 \begin{frame}[fragile]
 \frametitle{List creation and indexing}
 \begin{lstlisting}
-In []: lst = [] #Empty list
 In []: lst = [1,2,3,4]
-#More useful list
-In []: len(lst)
-Out[]: 4
 In []: lst[0]+lst[1]+lst[-1]
 Out[]: 7
 \end{lstlisting}
 \begin{itemize}
 \end{itemize}
 \end{frame}
 \begin{frame}[fragile]
 \frametitle{List: slices}
-\begin{itemize}
+\typ{list[initial:final:step]}
-\item Slicing is a basic operation
-\item \typ{list[initial:final:step]}
-\item  The step is optional
-\end{itemize}
 \begin{lstlisting}
 In []: lst[1:3]  # A slice.
 Out[]: [2, 3]
 In []: lst[1:-1]
 Out[]: [2, 3]
+\end{lstlisting}
-In []: lst[1:] == lst[1:-1]
-Out[]: False
-\end{lstlisting}
-Explain last result
-\end{frame}
-\begin{frame}[fragile]
-\frametitle{List: more slices}
-\begin{lstlisting}
-In []: lst[0:-1:2] # Notice the step!
-Out[]: [1, 3]
-In []: lst[::2]
-Out[]: [1, 3]
-In []: lst[-1::-1]
-\end{lstlisting}
-What do you think the last one will do?
 \end{frame}
 \begin{frame}[fragile]
 \frametitle{List methods}
 \begin{lstlisting}
-In []: lst.append(5)
-In []: lst
-Out[]: [1, 2, 3, 4, 5]
 In []: lst.append([6,7])
 In []: lst
 Out[]: [1, 2, 3, 4, 5, [6, 7]]
+\end{lstlisting}
-In []: lst.extend([8,9])
+\inctime{10}
-In []: lst
-Out[]: [1, 2, 3, 4, 5, [6, 7], 8, 9]
-\end{lstlisting}
-\end{frame}
-\begin{frame}[fragile]
-\frametitle{List containership}
-\begin{lstlisting}
-In []: animals = ['cat', 'dog', 'rat', 'croc']
-In []: 'dog' in animals
-Out[]: True
-In []: 'snake' in animals
-Out[]: False
-\end{lstlisting}
-\inctime{10}
 \end{frame}
 \section{Modules and import}
 \begin{frame}{Modules and \typ{import}}
 \begin{itemize}

changeset 132	c10d8cb8d690
parent 130	8905a5badd7e
child 134	31b3e5051b06