save project

c.py

 def new_input():
-    total = []
+    total = 0
     while True:
-        unit=input("你想要吃什么")
-        if=unit=="q"
+        unit=input("请输入数字")
+        if unit='q':
             break
+        total.append(unit)
         else:
-            total.append(unit)
-        
\ No newline at end of file
+            try:
+                unit=int(unit)
+            except:
+                print("格式错误，输入整数!")
+            else:
+             total=total+unit
+           
\ No newline at end of file