擅长:python、mysql、java
<pre><code>levelonebestiary = {}
levelonebestiary["Babychick"] = [1, 10, "bird"]
levelonebestiary["Squirrel"] = [2, 15, "mammal"]
levelonebestiary["Washcloth"] = [0, 1, "cloth"]
leveltwobestiary = {}
leveltwobestiary["Large Frog"] = [3, 20, "amphibian"]
leveltwobestiary["Raccoon"] = [5, 15, "mammal"]
leveltwobestiary["Pigeon"] = [4, 20, "bird"]
nightmarebestiary = {}
nightmarebestiary["pumanoceros"] = [25, 500]
grandbestiary = [levelonebestiary, leveltwobestiary, nightmarebestiary]
mammal_count = 0
# iterate through all bestiaries in your list
for bestiary in grandbestiary:
# iterate through all animals in your bestiary
for animal in bestiary:
# get the list (value) attached to each aniaml (key)
animal_description = bestiary[animal]
# check if "mammal" is in our array (value)
if "mammal" in animal_description:
mammal_count += 1
print (mammal_count)
</code></pre>