diff --git a/.gitignore b/.gitignore
index dbe9c82..18aad80 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
-.vscode/
\ No newline at end of file
+.vscode/
+chocogrenouille/
diff --git a/L'écharpe de Mme Weasley.png b/L'écharpe de Mme Weasley.png
new file mode 100644
index 0000000..7b6e2f9
Binary files /dev/null and b/L'écharpe de Mme Weasley.png differ
diff --git a/L'écharpe de Mme Weasley.py b/L'écharpe de Mme Weasley.py
new file mode 100644
index 0000000..91bd277
--- /dev/null
+++ b/L'écharpe de Mme Weasley.py	
@@ -0,0 +1,24 @@
+from PIL import Image
+
+image = Image.open("L'écharpe de Mme Weasley.png")
+#image = Image.open("L'écharpe de Mme Weasley_exemple.png")
+
+block = 8
+
+width, height = image.size
+
+xmax = width // block
+ymax = height // block
+
+res = ""
+
+for x in range(xmax):
+    for y in range(ymax):
+        colors = {}
+        for i in range(block):
+            for j in range(block):
+                pixel = image.getpixel((x*block+i,y*block+j))
+                colors[pixel] = None
+        res = res + f"{len(colors)-1:1X}"
+
+print(bytearray.fromhex(res).decode())
diff --git a/L'écharpe de Mme Weasley_exemple.png b/L'écharpe de Mme Weasley_exemple.png
new file mode 100644
index 0000000..5ce25a7
Binary files /dev/null and b/L'écharpe de Mme Weasley_exemple.png differ
diff --git a/Le retourneur de temps.py b/Le retourneur de temps.py
new file mode 100644
index 0000000..433fc48
--- /dev/null
+++ b/Le retourneur de temps.py	
@@ -0,0 +1,14 @@
+ctr = 0
+uctr = 0
+umax = uctr
+
+while True:
+    ctr = ctr + 1
+    if ctr > 1 and sum([int(i) for i in str(uctr)])%7 == 0:
+        uctr = uctr - 7
+    else:
+        uctr = uctr + 2
+
+    if uctr > umax:
+        umax = uctr
+        print("MAX = ", umax)
diff --git a/Les cartes chocogrenouille à trier (1).py b/Les cartes chocogrenouille à trier (1).py
new file mode 100644
index 0000000..9ad4a84
--- /dev/null
+++ b/Les cartes chocogrenouille à trier (1).py	
@@ -0,0 +1,54 @@
+import requests
+import os
+import time
+
+url_get = "https://pydefis.callicode.fr/defis/MLPotter01/intern/aMI7JVIH+mN1UYdaODx1mtD6QQVrpTvKjVyFbfcqBW9gwm1qWxv4LTI%3D/card.png"
+url_post = "https://pydefis.callicode.fr/defis/MLPotter01/intern/aMI7JVIH+mN1UYdaODx1mtD6QQVrpTvKjVyFbfcqBW9gwm1qWxv4LTI%3D/reponse"
+
+card_folder = os.path.join(os.path.dirname(__file__), "chocogrenouille")
+
+ctr = 0
+
+#Preload already dopwnloaded cards
+cards = {}
+for (dirpath, dirnames, filenames) in os.walk(card_folder):
+    for filename in filenames:
+        with open(os.path.join(card_folder, filename), mode='rb') as file_obj:
+            cards[file_obj.read()] = filename.replace(".png", "")
+    break
+
+while True:
+    req_card = requests.get(url = url_get)
+
+    if req_card.content in cards:
+        name = cards[req_card.content]
+        found = True
+    else:
+        name = "unknown"
+        found = False
+
+    req_res = requests.get(url = f"{url_post}/{name}")
+
+    response = req_res.content.decode("utf-8").strip().replace('"', '')
+
+    if "Password" in response:
+        print(f"La reponse est: {response}")
+        break
+
+    if found and response == name:
+        ctr = ctr + 1
+        print(f"J'ai bon: '{name}' ({ctr})")
+    elif found:
+        ctr = 0
+        print(f"J'ai pas bon: '{response}' alors que j'avais prévu '{name}'")
+    else:
+        ctr = 0
+        print(f"Un nouveau venu: '{response}'")
+
+    if not found:
+        cards[req_card.content] = response
+        with open(os.path.join(card_folder, response+".png"), "wb") as binary_file:
+            # Write bytes to file
+            binary_file.write(req_card.content)
+
+    time.sleep(1.1)
diff --git a/Monnaie de sorcier.py b/Monnaie de sorcier.py
new file mode 100644
index 0000000..26c6ce2
--- /dev/null
+++ b/Monnaie de sorcier.py	
@@ -0,0 +1,34 @@
+print("Exemple:")
+noises = 125*17*29
+
+gallions = 125
+mornilles = gallions * 17
+noises = mornilles * 29
+
+digits_noises = "".join(sorted(list({key:None for key in str(noises)}.keys())))
+digits_mornilles = "".join(sorted(list({key:None for key in str(mornilles)}.keys())))
+digits_gallions = "".join(sorted(list({key:None for key in str(gallions)}.keys())))
+
+print("noises", noises)
+print("mornilles", mornilles)
+print("gallions", gallions)
+
+
+print("Maintenant, les choses sérieuses:")
+gallions = 1
+
+while True:
+    mornilles = gallions * 17
+    noises = mornilles * 29
+
+    digits_noises = "".join(sorted(list({key:None for key in str(noises)}.keys())))
+    digits_mornilles = "".join(sorted(list({key:None for key in str(mornilles)}.keys())))
+    digits_gallions = "".join(sorted(list({key:None for key in str(gallions)}.keys())))
+
+    if digits_noises == digits_mornilles and digits_noises == digits_gallions:
+        print("noises", noises)
+        print("mornilles", mornilles)
+        print("gallions", gallions)
+        break
+
+    gallions = gallions + 1
diff --git a/On a brouillé la carte du Maraudeur.py b/On a brouillé la carte du Maraudeur.py
new file mode 100644
index 0000000..a984645
--- /dev/null
+++ b/On a brouillé la carte du Maraudeur.py	
@@ -0,0 +1,19 @@
+from PIL import Image
+
+a = 53911
+b = 15677
+
+image = Image.open("maraudeur_cr.png")
+
+width, height = image.size
+res = Image.new(image.mode, (width, height))
+
+n = width * height
+
+for pos in range(n):
+    new_pos = (a*pos+b)%n
+    pixel = image.getpixel((new_pos%width,new_pos//width))
+    res.putpixel((pos%width,pos//width), pixel)
+
+#res.save("maraudeur_cr_res.png")
+res.show()
diff --git a/maraudeur_cr.png b/maraudeur_cr.png
new file mode 100644
index 0000000..7398944
Binary files /dev/null and b/maraudeur_cr.png differ