擅长:python、mysql、java
<p>使用<a href="https://docs.python.org/3.6/library/copy.html#copy.deepcopy" rel="nofollow noreferrer">^{<cd1>}</a>来创建字典的深度副本,而不是使用对字典的引用。这样更新其中一个不会影响其他:</p>
<pre><code>from copy import deepcopy
binDict = {'Tally01': 0, 'Tally02': 0}
groupDict = {'Bin01': deepcopy(binDict), 'Bin02': deepcopy(binDict)}
periodDict = {'Group01': deepcopy(groupDict), 'Group02': deepcopy(groupDict)}
</code></pre>