擅长:python、mysql、java
<p>添加while并检查<code>End</code>:</p>
<pre><code>shopingList = []
end =''
while end.lower() != 'end':
item = input("Please enter the item of youi shopping list and type END when you have entered all of your items: ")
shopingList.append(item)
end = item
</code></pre>
<p>在<code>input</code>内不需要<code>print</code>语句</p>
<p>在上面的代码中,我检查用户是否输入<code>end</code>它将来自while循环。<br/>
varible <code>item</code>将存储用户输入并将其附加到shoppinglist,<code>end</code>变量与字符串'end'比较时,<code>end</code>变量与用户项一起更新</p>