擅长:python、mysql、java
<p>请检查这是否有效-</p>
<pre><code>import collections
dicti_1 = {'2017-09-01': ['PRUEBAPRUEBA', 'PRUEBA123123'],
'2017-11-08': ['PRUEBAPRUEBA', 'PRUEBA123123'],
'2017-10-03': ['PRUEBAPRUEBA', 'PRUEBA123123'],
'2017-12-03': ['PRUEBA123123']}
dicti_2 = collections.OrderedDict(sorted(dicti_1.items()))
print(dicti_2)
my_dict2 = { z:x for x,y in dicti_2.items() for z in y }
print(my_dict2)
output = {}
for key, value in my_dict2.items():
if value in output:
output[value].append(key)
else:
output[value] = [key]
print(output)
</code></pre>