擅长:python、mysql、java
<p>尝试以下方法(不是最好的方法,但想展示一下如何用你的方法完成):</p>
<pre><code>shopping=["Bread","Butter","Juice"]
for products in shopping:
print((products + " ")* 2 + products)
</code></pre>
<p>如果要形成列表,请使用<a href="https://docs.python.org/3/tutorial/datastructures.html#list-comprehensions" rel="nofollow noreferrer">list comprehension</a>和<code>format</code>:</p>
<pre><code>print(["{0} {0} {0}".format(i) for i in shopping])
</code></pre>
<p>产出:</p>
<pre><code>['Bread Bread Bread', 'Butter Butter Butter', 'Juice Juice Juice']
</code></pre>
<p><strong>或</strong></p>
<pre><code>shopping=["Bread","Butter","Juice"]
for products in shopping:
print("{0} {0} {0}".format(products))
</code></pre>
<p>产出:</p>
<pre><code>Bread Bread Bread
Butter Butter Butter
Juice Juice Juice
</code></pre>