diff --git a/func.py b/func.py
index 0e5be68..09d4fa4 100644
--- a/func.py
+++ b/func.py
@@ -12,6 +12,12 @@ def new_input():
             else:
                 total.append(unit)
     return total
+def sum():   
+    count=0
+    for i in money:
+        count=count+i
+    return count
+
 a=new_input()
 print(a)