auto save

func.py

+total = []
+def new_input():
+    while True:
+        unit= input("请输入单价(q退出)：")
+        if unit== 'q':
+            break
+        else:
+            try:
+                int(unit)
+            except:
+                print('要输入整数啊~~~')
+            else:
+                total.append(unit)
+    return unit
+new_input()
+count=0
+for i in total:
+    int
+    count=count+i
+print(count)