擅长:python、mysql、java
<p>因为Python是一种强类型语言:</p>
<p><a href="https://wiki.python.org/moin/Why%20is%20Python%20a%20dynamic%20language%20and%20also%20a%20strongly%20typed%20language" rel="nofollow">https://wiki.python.org/moin/Why%20is%20Python%20a%20dynamic%20language%20and%20also%20a%20strongly%20typed%20language</a></p>
<p>您需要显式地将类型转换为string。它不会自动为你故意这么做。在</p>