擅长:python、mysql、java
<p>你把函数和参数混为一谈了:</p>
<pre><code>print(s(addExclamation))
</code></pre>
<p>而且,您可能打算读取函数外部的输入并将字符串传递到:</p>
<pre><code>def addExclamation(s):
new_string = s + "!"
return new_string
s = input("please enter a string")
print(addExclamation(s))
</code></pre>