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+% Programmation avec Python (chapitre 11)
+% Dimitri Merejkowsky
+
+\center \huge Retour sur les exceptions
+
+# A quoi sert finally
+
+```python
+try:
+    fp = open("file.txt")
+    1 / 0
+except ZeroDivisionError:
+    print("got you")
+finally:
+    print("closing")
+    fp.close()
+```
+
+Que se passe-t-il si on remplace `1/0` par
+`my_list[42]` ?
+
+\center \huge Libraries tierces
+
+# Introduction: pip
+
+* python3 -m pip
+* `--user`
+
+But: what about several projects?
+
+# Virtualenvs
+
+# pip + virtualenv = <3
+
+# Tuto
+
+* Let's install requests!
+
+```
+# avant
+
+# après
+```
+