擅长:python、mysql、java
<p>可以使用关键点的交点:</p>
<pre class="lang-py prettyprint-override"><code>set(d.keys()) & set(newDict.keys())
# {'blueFish', 'twoFish'}
</code></pre>
<pre class="lang-py prettyprint-override"><code>for k, v in d.iteritems():
for i in set(newDict.get(k, {}).keys()) & set(v.keys()):
newDict[k][i] = v[i]
print(newDict)
# {'blueFish': {'blueFish': 'inf', 'twoFish': 11, ('redFish', 'oneFish'): None},
# 'twoFish': {'blueFish': 11, 'twoFish': 'inf', ('redFish', 'oneFish'): None},
# ('redFish', 'oneFish'): {'blueFish': None, 'twoFish': None, ('redFish', 'oneFish'): None}}
</code></pre>