save project

func.py

 
 def sb():
-    total = []
+    md = []
     while True:
         unit= input("请输入单价(cnm退出)：")
         if unit== 'cnm':
@@ -11,8 +11,10 @@ def sb():
             except:
                 print('输数字')
             else:
-                total.append(unit)
+                md.append(unit)
             finally:
                 print('-'*30)
-    print(total)
-sb()
+    print(md)
+    return md
+nmd = sb()
+print(nmd)
\ No newline at end of file