擅长:python、mysql、java
<p>给你</p>
<pre><code>def restructure (dct):
date = dct['Date'] #store the date
dct.pop('Date') #remove 'Date' key from the dict since it not needed anymore
for key, value in dct.items():
dct[key] = {date:value, 'risk_value' : 1} #update values for each key
return dct
print(restructure(d))
</code></pre>