diff --git a/module2/exo2/exercice_python_fr.org b/module2/exo2/exercice_python_fr.org
index c7157ba42216cf2e1d291112bb351ce48811115c..1f0b2a6226aa0cc42764aec0b58868d14ccb933b 100644
--- a/module2/exo2/exercice_python_fr.org
+++ b/module2/exo2/exercice_python_fr.org
@@ -11,6 +11,61 @@
 #+HTML_HEAD: <script type="text/javascript" src="http://www.pirilampo.org/styles/lib/js/jquery.stickytableheaders.js"></script>
 #+HTML_HEAD: <script type="text/javascript" src="http://www.pirilampo.org/styles/readtheorg/js/readtheorg.js"></script>
 
+#+begin_src python :results output :session :exports both
+data=[14.0, 7.6, 11.2, 12.8, 12.5, 9.9, 14.9, 9.4, 16.9, 10.2, 14.9, 18.1, 7.3,
+9.8, 10.9,12.2, 9.9, 2.9, 2.8, 15.4, 15.7, 9.7, 13.1, 13.2, 12.3, 11.7, 16.0,
+12.4, 17.9, 12.2, 16.2, 18.7, 8.9, 11.9, 12.1, 14.6, 12.1, 4.7, 3.9, 16.9, 16.8,
+11.3, 14.4, 15.7, 14.0, 13.6, 18.0, 13.6, 19.9, 13.7, 17.0, 20.5, 9.9, 12.5,
+13.2, 16.1, 13.5, 6.3, 6.4, 17.6, 19.1, 12.8, 15.5, 16.3, 15.2, 14.6, 19.1,
+14.4, 21.4, 15.1, 19.6, 21.7, 11.3, 15.0, 14.3, 16.8, 14.0, 6.8, 8.2, 19.9,
+20.4, 14.6, 16.4, 18.7, 16.8, 15.8, 20.4, 15.8, 22.4, 16.2, 20.3, 23.4, 12.1,
+15.5, 15.4, 18.4, 15.7, 10.2, 8.9, 21.0]
+
+import numpy as np
+std=np.std(data, ddof=1)
+print("average: {0:.2f}".format(np.average(data)))
+print("min: {0:.2f}".format(min(data)))
+print("max: {0:.2f}".format(max(data)))
+print("med: {0:.2f}".format(np.median(data)))
+print("std: {0:.2f}".format(std))
+#+end_src
+
+#+RESULTS:
+: average: 14.11
+: min: 2.80
+: max: 23.40
+: med: 14.50
+: std: 4.33
+
+** Some plots
+
+#+begin_src python :results output file :session :var fname="seq.png" :exports both
+import matplotlib.pyplot as plt
+
+plt.figure(figsize=(10,5))
+plt.plot(data)
+plt.tight_layout()
+
+plt.savefig(fname)
+print(fname)
+#+end_src
+
+#+RESULTS:
+[[file:seq.png]]
+
+
+#+begin_src python :results output file :session :var fname="hist.png" :exports both
+plt.figure(figsize=(10,5))
+plt.hist(data)
+plt.tight_layout()
+
+plt.savefig(fname)
+print(fname)
+#+end_src
+
+#+RESULTS:
+[[file:hist.png]]
+
 * Quelques explications
 
 Ceci est un document org-mode avec quelques exemples de code