Namedtuple

LorenzoDevOps · LorenzoDevOps · commit eb69bdb032af · 2018-03-26T15:21:01.000+02:00
diff --git a/namedtuple_ex.py b/namedtuple_ex.py
@@ -0,0 +1,20 @@
+from collections import namedtuple
+
+Book = namedtuple("Book", "author title genre")
+books = [
+        Book("Pratchett", "Nightwatch", "fantasy"),
+        Book("Pratchett", "Thief Of Time", "fantasy"),
+        Book("Le Guin", "The Dispossessed", "scifi"),
+        Book("Le Guin", "A Wizard Of Earthsea", "fantasy"),
+        Book("Turner", "The Thief", "fantasy"),
+        Book("Phillips", "Preston Diamond", "western"),
+        Book("Phillips", "Twice Upon A Time", "scifi"),
+        ]
+
+fantasy_authors = { b.author for b in books if b.genre == 'fantasy'}
+# Il s'agit d'un set {} pour ne pas retourner les doublons
+print(fantasy_authors)
+
+# a = {1,2,2}
+# a
+# {1, 2}
