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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def ll(self, folder="", begin_from_file="", num=-1, all_grant_data=False):
 """ Get the list of files and permissions from S3. This is similar to LL (ls -lah) in Linux: List of files with permissions. Parameters folder : string Path to file on S3 num: integer, optional number of results to return, by default it returns all results. begin_from_file : string, optional which file to start from on S3. This is usedful in case you are iterating over lists of files and you need to page the result by starting listing from a certain file and fetching certain num (number) of files. all_grant_data : Boolean, optional More detailed file permission data will be returned. Examples -------- { "test/myfolder/": [ { "name": "owner's name", "permission": "FULL_CONTROL" } ], "test/myfolder/em/": [ { "name": "owner's name", "permission": "FULL_CONTROL" } ], "test/myfolder/hoho/": [ { "name": "owner's name", "permission": "FULL_CONTROL" } ], "test/myfolder/hoho/.DS_Store": [ { "name": "owner's name", "permission": "FULL_CONTROL" }, { "name": null, "permission": "READ" } ], "test/myfolder/hoho/haha/": [ { "name": "owner's name", "permission": "FULL_CONTROL" } ], "test/myfolder/hoho/haha/ff": [ { "name": "owner's name", "permission": "FULL_CONTROL" }, { "name": null, "permission": "READ" } ], "test/myfolder/hoho/photo.JPG": [ { "name": "owner's name", "permission": "FULL_CONTROL" }, { "name": null, "permission": "READ" } ], } """

        return self.ls(folder=folder, begin_from_file=begin_from_file, num=num, get_grants=True, all_grant_data=all_grant_data)