擅长:python、mysql、java
<pre><code>sample_dict = {'Grade': {'Aya':4.0, 'John':3.0, 'Anna':1.0},
'Address': {'Aya':'California', 'John':'Canada', 'Anna':'Mexico'},
'School': 'Harvard University',
'Nationality':{'Aya':'Japanese', 'John':'American', 'Anna':'American'}
}
def get_info(name):
_info = {}
for key, val in sample_dict.items():
try:
if isinstance(val, dict):
val = val[name]
_info[key] = val
except KeyError:
return None
return _info
</code></pre>