擅长:python、mysql、java
<p>像这样的东西应该能奏效!你知道吗</p>
<pre><code>numOfMamals = 0
# Iterate over each bestiary
for bestiary in grandbestiary:
# Snag each key string in the bestiary
for key in bestiary:
# Look at every item in the bestiary
for item in bestiary[key]:
if item == "mammal":
numOfMamals = numOfMamals + 1
print numOfMamals
</code></pre>