diff --git a/.DS_Store b/.DS_Store
index aa2cdc4..d77988b 100644
Binary files a/.DS_Store and b/.DS_Store differ
diff --git a/.typeracer.py.swp b/.typeracer.py.swp
deleted file mode 100644
index 0d50f10..0000000
Binary files a/.typeracer.py.swp and /dev/null differ
diff --git a/Arnaud/client.py b/Aide Arnaud/client.py
similarity index 100%
rename from Arnaud/client.py
rename to Aide Arnaud/client.py
diff --git a/Arnaud/server.py b/Aide Arnaud/server.py
similarity index 100%
rename from Arnaud/server.py
rename to Aide Arnaud/server.py
diff --git a/Samy/r2d2.py b/Aide Samy/r2d2.py
similarity index 100%
rename from Samy/r2d2.py
rename to Aide Samy/r2d2.py
diff --git a/as de trêfle.jpg b/as de trêfle.jpg
new file mode 100644
index 0000000..b570b41
Binary files /dev/null and b/as de trêfle.jpg differ
diff --git a/class.py b/class.py
new file mode 100644
index 0000000..4d7894b
--- /dev/null
+++ b/class.py
@@ -0,0 +1,29 @@
+class Test:
+    attributdeclasse = 'attributdeclasse'
+
+    def __init__(self):
+        self.attributdinstance = 'attributdinstance'
+
+    def methodedinstance(self):
+        return self.attributdinstance
+
+    @classmethod
+    def methodedeclasse(cls):
+        return cls.attributdeclasse
+
+    @staticmethod
+    def methodestatique():
+        return 'methodestatique'
+
+    @property
+    def propriete(self):
+        return 'propriete'
+
+t = Test()
+print(t.attributdinstance)
+print(t.methodedinstance())
+print(t.propriete)
+
+print(Test.attributdeclasse)
+print(Test.methodedeclasse())
+print(Test.methodestatique())
diff --git a/demo.py b/demo.py
new file mode 100644
index 0000000..5c9850e
--- /dev/null
+++ b/demo.py
@@ -0,0 +1,45 @@
+class Test:
+    attributdeclasse = 'attributdeclasse'
+
+    def __init__(self):
+        self.attributdinstance = 'attributdinstance'
+        self.proprietedinstance = 'proprietedinstance'
+
+    def methodedinstance(self):
+        return self.attributdinstance
+
+    @classmethod
+    def methodedeclasse(cls):
+        return cls.attributdeclasse
+
+    @staticmethod
+    def methodestatique():
+        return 'methodestatique'
+
+    @property
+    def propriete(self):
+        return self.proprietedinstance
+
+    @propriete.setter
+    def propriete(self, value):
+        self.proprietedinstance = value
+
+    @propriete.deleter
+    def propriete(self):
+        del self.proprietedinstance
+
+
+
+
+t = Test()
+print(t.attributdinstance)
+print(t.methodedinstance())
+print(t.propriete)
+t.propriete = 'proprietemodifie'
+print(t.propriete)
+print(t.proprietedinstance)
+del t.propriete
+
+print(Test.attributdeclasse)
+print(Test.methodedeclasse())
+print(Test.methodestatique())
diff --git a/retrieve-card.py b/retrieve-card.py
new file mode 100644
index 0000000..edb803e
--- /dev/null
+++ b/retrieve-card.py
@@ -0,0 +1,4 @@
+import urllib.request
+urllib.request.urlretrieve(
+    "https://upload.wikimedia.org/wikipedia/commons/thumb/3/36/Playing_card_club_A.svg/1024px-Playing_card_club_A.svg.png",
+    "as de trêfle.jpg")
diff --git a/webpfix.py b/webpfix.py
new file mode 100644
index 0000000..df411dc
--- /dev/null
+++ b/webpfix.py
@@ -0,0 +1,75 @@
+import os
+import sys
+
+
+def webtojpg():
+    for file in os.listdir(os.getcwd()):
+        if file.endswith('.webp'):
+            name = file[:-5]
+            print(f"ffmpeg -i '{file}' '{name}.jpg'")
+            os.system(f"ffmpeg -i '{file}' '{name}.jpg'")
+
+def jpgtomp3():
+    for file in os.listdir(os.getcwd()):
+        if file.endswith('.jpg'):
+            print(file)
+            name = file[:-4]
+            print(f"ffmpeg -i '{name}.mp3' -i '{name}.jpg' -map_metadata 0 \
+-map 0 -map 1 -acodec copy '{name}.mp3'")
+            os.system(f"ffmpeg -i '{name}.mp3' -i '{name}.jpg' -map_metadata 0 \
+-map 0 -map 1 -acodec copy '{name}.tempo.mp3'")
+
+def rename():
+    for file in os.listdir(os.getcwd()):
+        if file.endswith('.tempo.mp3'):
+            name = file[:-len('.tempo.mp3')]
+            os.rename(f"{name}.tempo.mp3", f"{name}.mp3")
+
+
+def clean_temp():
+    for file in os.listdir(os.getcwd()):
+        if file.endswith('.temp.mp3'):
+            os.remove(file)
+
+def clean_jpg():
+    for file in os.listdir(os.getcwd()):
+        if file.endswith('.jpg'):
+            os.remove(file)
+
+def clean_webp():
+    for file in os.listdir(os.getcwd()):
+        if file.endswith('.webp'):
+            os.remove(file)
+
+def clean():
+    clean_jpg()
+    clean_temp()
+    clean_webp()
+
+if 'webptojpg' in sys.argv:
+    webtojpg()
+
+if 'jpgtomp3' in sys.argv:
+    jpgtomp3()
+
+if 'rename' in sys.argv:
+    rename()
+
+if 'clean' in sys.argv:
+    clean()
+
+if 'clean-jpg' in sys.argv:
+    clean_jpg()
+
+if 'clean-temp' in sys.argv:
+    clean_temp()
+
+if 'clean-webp' in sys.argv:
+    clean_webp()
+
+if len(sys.argv)==1:
+    webtojpg()
+    jpgtomp3()
+    rename()
+    clean()
+