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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 segment_into_chars(utterance: str) -> str: """ Segments an utterance into space delimited characters. """


    if not isinstance(utterance, str):
        raise TypeError("Input type must be a string. Got {}.".format(type(utterance)))

    utterance.strip()
    utterance = utterance.replace(" ", "")
    return " ".join(utterance)