擅长:python、mysql、java
<p>使用<a href="https://docs.python.org/2/library/ast.html" rel="noreferrer">Abstract Syntax Trees</a>如下-</p>
<pre><code>>>>import ast
>>>To=ast.literal_eval(To)
>>>print To
>>>('abc@hcl.com', 'xyz@hcl.com', 'accc@infy.com', 'satya@lab.com', 'ach@lab.com')
>>>len(To)
>>>5
</code></pre>