擅长:python、mysql、java
<pre><code>import random
wordList = ["bird", "dog", "cat", "school", "computer"]
underscoreList = []
letterList = []
for x in range(3):
word = random.choice(wordList)
letterList += [[x for x in word]]
for letter in word:
underscoreList.append("_")
print(letterList)
</code></pre>