save project

sb.py

 def new_input():
     total = []
+    zong=0
     while True:
-        unit= input("请输入：")
+        unit= input("请输入(退出按q)：")
         if unit== 'q':
             break
         else:
             try:
-                unit=
-            total.append(unit)
-    print(total)
-new_input()
\ No newline at end of file
+                unit=int(unit)
+            except:
+                print("请输入正确的价格")
+            else:
+                zong=zong+unit
+    print("总共花费")
+    return zong
+a=new_input()
+print(a)
\ No newline at end of file