save project

func.py

 def bendan():
 def bendan():
+    total=[]
     while True:
     while True:
-        try:
-            print("-"*503)
-            unit = float(input("请输入："))
-        except:
-            if unit == 'q':
-                break
-            else:
-                print("� � �")
+        print("-"*50)
+        unit = input("请输入：")
+        if unit == 'q':
+            break
         else:
         else:
-            total.append(unit)
+            try:
+                unit=float(unit)
+            except:
+                print("� � �")
+            else:
+                total.append(unit)
+    return total
+a=bendan()
+print(sum(a))
 
 
-total = []
-bendan()
-print(sum(total))