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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 _parse_datetime_value(value):
 """Deserialize a DateTime object from its proper ISO-8601 representation."""

    if value.endswith('Z'):
        # Arrow doesn't support the "Z" literal to denote UTC time.
        # Strip the "Z" and add an explicit time zone instead.
        value = value[:-1] + '+00:00'

    return arrow.get(value, 'YYYY-MM-DDTHH:mm:ssZ').datetime