Semaine 4, jour 2

Semaine_04/Exercices/exo_01.py

@@ -0,0 +1,72 @@
+destinations = {
+    "Pyongyang": 5,
+    "Havana": 2,
+    "Caracas": 7
+}
+
+destinations["Moscow"] = 0
+destinations["Ho-Chi-Minh Town"] = 0
+
+def add_destination(destinations: dict, town: str, number: int):
+    if town not in destinations:
+        destinations[town] = 0
+
+def add_reservation(destinations: dict, town: str, number: int):
+    if town in destinations:
+        destinations[town] += number
+    else:
+        destinations[town] = number
+
+def remove_reservation(destinations: dict, town: str):
+    if town in destinations:
+        new_destinations = dict(destinations)
+        del new_destinations[town]
+        return new_destinations
+
+def show_destinations_available(destinations: dict):
+    for town in destinations:
+        if destinations[town] != 0:
+            print(town + " : " + str(destinations[town]))
+
+def show_destinations_by_reservations(destinations: dict):
+    print(sorted(destinations))         # ["Pyongyang", "Havana", "Caracas"]
+    print(sorted(destinations.keys()))  # ["Pyongyang", "Havana", "Caracas"]
+    print(sorted(destinations.values))  # [5, 2, 7]
+    print(sorted(destinations.items))   # [("Pyongyang", 5), ("Havana", 2), ("Caracas", 7)]
+
+def return_second_tuple_element(tuple):
+    return tuple[1]
+
+print(sorted(destinations.items(), key= return_second_tuple_element)) # [('Moscow', 0), ('Ho-Chi-Minh Town', 0), ('Havana', 2), ('Pyongyang', 5), ('Caracas', 7)]
+print(sorted(destinations.items(), key= lambda tuple : tuple[1]))     # [('Moscow', 0), ('Ho-Chi-Minh Town', 0), ('Havana', 2), ('Pyongyang', 5), ('Caracas', 7)]
+
+#show_destinations_available(destinations)
+
+# Données déstructurées
+
+dc_infos = ("Dale", "Cooper", "32")
+dc_prenom = dc_infos[0]
+dc_nom = dc_infos[1]
+dc_age = dc_infos[2]
+
+dc_prenom, dc_nom, dc_age = dc_infos
+
+def generator():
+    for i in range(10):
+        yield i
+
+def square_generator(n):
+    for i in range(n):
+        yield i ** 2
+
+print(generator())
+squares = square_generator(10)
+
+print(next(squares))
+print(next(squares))
+print(next(squares))
+print(next(squares))
+print(next(squares))
+print(next(squares))
+print(next(squares))
+print(next(squares))