diff --git a/d.py b/d.py
new file mode 100644
index 0000000..a776672
--- /dev/null
+++ b/d.py
@@ -0,0 +1,13 @@
+a=[]
+n= int(input("Enter the number of elements in list:"))
+for x in range(0,n):
+    element=int(input("Enter element" + str(x+1) + ":"))
+    a.append(element)
+b = set()
+unique = []
+for x in a:
+    if x not in b:
+        unique.append(x)
+        b.add(x)
+print("Non-duplicate items:")
+print(unique)