擅长:python、mysql、java
<p>使用格式字符串:</p>
<pre><code>>>> variable = """My name is {name} and it has been {name} since..."""
>>> n = "alex"
>>>
>>> variable.format(name=n)
'My name is alex and it has been alex since...'
</code></pre>
<p>{}中的文本可以是描述符或索引值。</p>
<p>另一个奇特的技巧是使用字典结合**运算符定义多个变量。</p>
<pre><code>>>> values = {"name": "alex", "color": "red"}
>>> """My name is {name} and my favorite color is {color}""".format(**values)
'My name is alex and my favorite color is red'
>>>
</code></pre>