diff --git a/introduction/introduction/introduction.pdf b/introduction/introduction/introduction.pdf
index 37fecdf5e422a7caf9e099df858515871bfa356d..1304ef73aae13301d0c134ec1dc7470d600f8339 100644
Binary files a/introduction/introduction/introduction.pdf and b/introduction/introduction/introduction.pdf differ
diff --git a/introduction/introduction/introduction.tex b/introduction/introduction/introduction.tex
index 9854d9c4402aa9f0290026c90c665aef26cab396..7d624fd8b6e2d6ad71bc9b7c92b19a7704f75640 100644
--- a/introduction/introduction/introduction.tex
+++ b/introduction/introduction/introduction.tex
@@ -409,6 +409,14 @@ IPython 6.1.0 -- An enhanced Interactive Python. Type '?' for help.
   \begin{pythonout}
 42
   \end{pythonout}
+  \\
+
+  \begin{pythonin}{python}
+2 ** 3
+  \end{pythonin}
+  \begin{pythonout}
+8
+  \end{pythonout}
  \end{ipython}
 \end{pframe}