save project

func.py

 total = []
 def xxs():
     while True:
-        unit= input("请输入：")
-        if unit== 'q':
-            break
+        unit=input("请输入：")
+        try:
+            price=int(unit)
+        except:
+            print('请输入整数')
         else:
-            total.append(unit)
+            if unit== 'q':
+                break
+            else:
+                total.append(unit)
 xxs()
 print(total)
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