save project

3.py

+
+def d1_n():
+    total = []
+    while True:
+        unit=input("输入:")
+        if unit==" ":
+            break
+        try:
+            int(input("菜名"))
+        except:
+            print("输入菜名")
+        else:
+            total.append(unit)
+    print(total)
+d1_n()