9 lines
285 B
Python
9 lines
285 B
Python
|
def trinsPerMerchandise(trains):
|
||
|
|
content_dict = {}
|
||
|
|
for train, content in trains.items():
|
||
|
|
for item in content:
|
||
|
|
if item[0] not in content_dict:
|
||
|
|
content_dict[item[0]] = set()
|
||
|
|
content_dict[item[0]].add(train)
|
||
|
|
return content_dict
|