Fix some points on the week eleven slides about dictionaries.

Author: gkapfham

cs102-week-eleven.tex

@@ -442,8 +442,8 @@
   \vspace*{.025in}
   \begin{center}
     %
-    \normalsize \noindent Since tuples are immutable, a dictionary can use it as
-    a key\\
+    \normalsize \noindent Since lists are mutable, a dictionary cannot use it as
+    a key! \\
     %
   \end{center}
   %
@@ -482,8 +482,8 @@
       %
       \vspace*{-.2in}
       %
-    \item The honest answer is ``it depends''! Use judgement and benchmarks!
-      Defend your decision with evidence!
+    \item The honest answer is ``it depends''! Use your judgement and
+      benchmarks! Defend your decision with evidence!
       %
   \end{itemize}
   %
@@ -511,8 +511,7 @@
           %
         \item {\bf Q2}: What are the characteristics of dictionaries in Python?
           %
-        \item {\bf Q3}: How does the {\tt sympy} package support set
-          programming?
+        \item {\bf Q3}: How do you decide between a dictionary or a function?
           %
         \item {\bf Q4}: What functions can process a multiset discrete
           structure?