擅长:python、mysql、java
<p>一种方法是</p>
<pre><code>>>> for key,val in my_dict.items():
... keys = [v.keys()[0] for v in val]
... if "UNP" in keys: print "UNP in",key
... elif "PDB" in keys: print "PDB in",key
...
UNP in A
PDB in C
UNP in B
UNP in E
UNP in D
UNP in G
PDB in F
PDB in I
UNP in H
UNP in K
UNP in J
PDB in L
>>>
</code></pre>