auto save

func.py

+total = []
+def new_input():   
+    c=0
+    while True:
+        try:
+            unit=input ("请输入：")
+            if unit== 'w':
+                break
+            unit_int=int(unit)
+        except:   
+            print("输入错误请重新输入")
+        else:      
+            total.append(unit_int)
+    for i in total:
+        c=c+i
+    return c
+print(new_input())
\ No newline at end of file