擅长:python、mysql、java
<p>在<code>ai = numero [y]</code>行的for循环中有<a href="https://docs.python.org/release/2.5.1/ref/indentation.html" rel="nofollow">identation</a>问题。试试这个:</p>
<pre><code>numero = str(input("Digite um numero de quatro digitos"));
y = len(numero)
for i in range (y):
ai = numero [y]
</code></pre>
<p><a href="https://www.youtube.com/watch?v=wfkRz88U6S8" rel="nofollow">Here</a>是一个很好的关于python标识的视频。在</p>