diff --git a/week-3/Chirag_Aparadh/wallpaperChanger.py b/week-3/Chirag_Aparadh/wallpaperChanger.py
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--- /dev/null
+++ b/week-3/Chirag_Aparadh/wallpaperChanger.py
@@ -0,0 +1,38 @@
+#!/usr/bin/env python
+
+# this scritp automatically changes wallpaper every 10 seconds
+# the scritp is bad but it works!
+#also for some reason it works only with bmp images
+
+import ctypes
+import random
+import os
+import schedule 
+import time
+import sys
+
+
+def get_path():
+    path = os.path.abspath('wallpapers')
+    for root, root1, files in os.walk('wallpapers'):
+    	no_of_wallpapers = len(files)	
+    random_no = random.randint(0, no_of_wallpapers-1)
+    path = os.path.join(path, files[random_no])
+    
+       
+    return path
+
+def main():
+    path = get_path()
+    ctypes.windll.user32.SystemParametersInfoW(20, 0, path, 0)
+
+
+schedule.every(10).seconds.do(main)
+
+while 1:
+	schedule.run_pending()
+	time.sleep(1)
+
+
+
+
diff --git a/week-3/Chirag_Aparadh/wallpapers/1.bmp b/week-3/Chirag_Aparadh/wallpapers/1.bmp
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diff --git a/week-3/Chirag_Aparadh/wallpapers/2.bmp b/week-3/Chirag_Aparadh/wallpapers/2.bmp
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diff --git a/week-3/Chirag_Aparadh/wallpapers/3.bmp b/week-3/Chirag_Aparadh/wallpapers/3.bmp
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diff --git a/week-3/Chirag_Aparadh/wallpapers/4.BMP b/week-3/Chirag_Aparadh/wallpapers/4.BMP
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diff --git a/week-3/Chirag_Aparadh/wallpapers/5.bmp b/week-3/Chirag_Aparadh/wallpapers/5.bmp
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diff --git a/week-3/Chirag_Aparadh/wallpapers/6.bmp b/week-3/Chirag_Aparadh/wallpapers/6.bmp
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