diff -r 298cd56f4d5a -r c6704d4a18bd day1/session3.tex
--- a/day1/session3.tex	Tue Oct 27 19:36:09 2009 +0530
+++ b/day1/session3.tex	Wed Oct 28 12:37:59 2009 +0530
@@ -317,30 +317,14 @@
 from scipy import mean, median, std
 from scipy import stats
 
-scores = [[]] * 5
-ninety_percents = [{}] * 5
+scores = [[], [], [], [], []]
+ninety_percents = [{}, {}, {}, {}, {}]
   \end{lstlisting}
 \end{frame}
 
 \begin{frame}[fragile]
   \frametitle{Building data for all subjects \ldots}
   \begin{lstlisting}
-from pylab import pie
-from scipy import mean, median, std
-from scipy import stats
-  \end{lstlisting}
-
-  \begin{block}{Repeating list items}
-    \begin{lstlisting}
-scores = [[]] * 5
-ninety_percents = [{}] * 5
-    \end{lstlisting}
-  \end{block}
-\end{frame}
-
-\begin{frame}[fragile]
-  \frametitle{Building data for all subjects \ldots}
-  \begin{lstlisting}
 for record in open('sslc1.txt'):
     record = record.strip()
     fields = record.split(';')