save project

3.py

-
+total = []
 def d1_n():
-    total = []
+    # total = []
     while True:
         unit=input("输入:")
         if unit==" ":
             break
         try:
-            input("菜名")
+            int(unit)
         except:
-            print("输入菜名")
+            print("输入合法字符")
         else:
             total.append(unit)
-    print(total)
+    return total
 d1_n()
+# a = total
+print(total)