擅长:python、mysql、java
<p>试试这个:</p>
<pre><code># First, find the global maximum value
max_val = 0.0
for key, value_list in d.iteritems():
local_max = max(value_list)
if local_max > max_val:
max_val = local_max
# Then divide every item in every value list by the global maximum
new_dict = {}
for key, value_list in d.iteritems():
new_dict[key] = [x/max_val for x in value_list]
</code></pre>