diff --git a/Codes/Practical-A4.py b/Codes/Practical-A4.py
index a1f7e45..380ba87 100644
--- a/Codes/Practical-A4.py
+++ b/Codes/Practical-A4.py
@@ -54,6 +54,12 @@ def intersection(setA, setB):
             intersectionSet.append(i)
     print(f"Intersection is:\t{intersectionSet}")
 
+def iterator(setA):
+    a = iter(setA)
+    for i in  range(0,len(setA)-1):
+        print(next(a),"->",end=' ')
+    print(next(a))
+
 def union(setA, setB):
 # Function to perform union of two sets
     unionSet = []
@@ -136,7 +142,14 @@ def main():
             else:
                 print("\nPlease choose a valid option.\n")
         elif (optn == 5):
-            print("\nIMPLEMENTATION PENDING\n")
+            setSel = int(input("Which set to operate on?\n1. Set one\n2. Set two\nSet 1/2:\t"))
+            a = None
+            if (setSel == 1):
+                iterator(setOne)
+            elif (setSel == 2):
+                iterator(setTwo)
+            else:
+                print("\nPlease choose a valid option.\n")
         elif (optn == 6):
             intersection(setOne, setTwo)
         elif (optn == 7):
@@ -152,4 +165,4 @@ def main():
             print("Please choose a valid option (1-10).")
 
 main() # Calling the main function
-# END OF CODE
\ No newline at end of file
+# END OF CODE