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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 get_changed_files_from(old_commit_sha, new_commit_sha):
 """ Returns a list of the files changed between two commits """

        return check_output(
            "git diff-tree --no-commit-id --name-only -r {0}..{1}".format(
                old_commit_sha,
                new_commit_sha
            ).split(" ")
            ).decode('utf-8').strip()