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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 normalize_commit_message(commit_message):
 """ Return a tuple of title and body from the commit message """

    split_commit_message = commit_message.split("\n")
    title = split_commit_message[0]
    body = "\n".join(split_commit_message[1:])
    return title, body.lstrip("\n")