auto save

func.py

-total = []
-while True:
+def new_input():    
+    total = []
+    while True:
         unit= input("请输入：")
         if unit== 'q':
             break
         else:
+            try:
+                unit=int(unit)
+            except:
+                print("请输入整数")
+            else:
                 total.append(unit)
-print(total)
\ No newline at end of file
+    return total
+a=new_input()
+print(a)
+
+def sum(lst):
+    price=0
+    for i in lst:
+        price=price+i
+    return price
+print(sum(a))
\ No newline at end of file