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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 add_git(meta, git_info):
 """Enrich the result meta information with commit data."""

        meta["hexsha"] = git_info.hexsha
        meta["author"] = git_info.author
        meta["email"] = git_info.email
        meta["authored_on"] = git_info.authored_on.isoformat(" ")