擅长:python、mysql、java
<p>使用<code>str.lower()</code>(或<code>upper()</code>)</p>
<pre><code>fav_color = "Red"
guess_count = 0
guess_limit = 3
while guess_count < guess_limit:
x = input("What's Carlos' favorite color? ")
guess_count += 1
if x.lower() == fav_color.lower():
print("You win!")
break
</code></pre>