auto save

func.py

 def a():
 def a():
     total = []
     total = []
     while True:
     while True:
-        unit= input("请输入：")
-        if unit== 'q':
-            break
+        try:
+            unit=int(input("请输入单价："))
+            
+        except:
+            print('请输入整数！')
         else:
         else:
-            total.append(unit)
-    print(total)
-a()
+            if unit == 'q':
+                break
+            else:
\ No newline at end of file
+                total.append(int(unit))
+                # total[0]=total[0]+unit
+                print('现在总计为：'+str(total))
+    
+while True:
+    a()
+
+# try:
+#     age=int(input('www'))
+# except:
+#     print('qqq')
+# print('aaa')
\ No newline at end of file