save project

5.py

 def new_input():
-    g=[]
-    while true:
-        unit=input("你要点什么菜")
+    g=0
+    while True:
+        unit=input("请输入数字")
         if unit=="p":
             break
         else:
-            g.append(unit)
+            try:
+                unit1=int(unit)
+            except:
+                print("格式错误，输入整数！")
+            else:
+                g=g+unit1
+    return g                 
+c=new_input()
+print(c)