save project

func.py

@@ -6,7 +6,10 @@ def price():
             break
             break
         else:
         else:
             try:
             try:
+                unit=int(unit)
+            except:
+                print("请输入整数：")
+            else:
                 total.append(unit)    
                 total.append(unit)    
-                
-    print(total)
-price()
+    return total
+print(sum(price()))
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