diff --git a/IP_List_generator/ip_gen.py b/IP_List_generator/ip_gen.py
index b5b8e73..20e6d68 100644
--- a/IP_List_generator/ip_gen.py
+++ b/IP_List_generator/ip_gen.py
@@ -54,6 +54,31 @@ def htaccess(input, output):
             else:
                 pass
 
+
+"""
+Must be in IP List Format!!
+"""
+def combine(destination, fileadd):
+    # Append List
+    with open(fileadd ,'r') as f:
+        readinput = f.read().splitlines()
+    with open(destination, 'a') as f:
+        for line in readinput:
+            f.write(line + "\n")
+    f.close()
+    # Clear Duplicated
+    with open(destination, 'r') as f:
+        lines = set(f.readlines())
+    with open(destination, 'w') as f:
+        f.writelines(set(lines))
+    f.close()
+    # Sort
+    with open(destination, 'r') as f:
+        lines = sorted(f.readlines())
+    with open(destination, 'w') as f:
+        for line in lines:
+            f.write(line)
+
 def BuildDate():
     UTC = pytz.utc
     date = datetime.datetime.now(UTC)