609. Find Duplicate File in System

class Solution(object):
    def findDuplicate(self, paths):
        """
        :type paths: List[str]
        :rtype: List[List[str]]
        """
        content_path={}
        for i in paths:
            splits=i.split()
            path=splits[0]
            files=splits[1:]
            for f in files:
                index=f.find('(')
                content=f[index+1:-1]
                full_path=path.strip()+'/'+f[:index]
                if content not in content_path:
                    content_path[content]=[full_path]
                else:
                    content_path[content].append(full_path)
        return [v for v in content_path.values() if len(v)>1]