save project

func.py

@@ -5,13 +5,18 @@ def s():
         if unit== 'q':
             break
         else:
+            try:
+                unit=int(unit)
+            except:
+                print("wrong")
+            else:
                 total.append(unit)
-        print(total)
     return total
-del a(s)
+es=s()
+def sum(s):
     k=0
     for i in s:
         k=k+i
     return k
-f=k()
-print(f)
\ No newline at end of file
+f=sum(es)
+print(str(f))
\ No newline at end of file