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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_underscore_case(name):
 """Normalize an underscore-separated descriptor to something more readable. i.e. 'NAGIOS_SERVER' becomes 'Nagios Server', and 'host_components' becomes 'Host Components' """

    normalized = name.lower()
    normalized = re.sub(r'_(\w)',
                        lambda match: ' ' + match.group(1).upper(),
                        normalized)
    return normalized[0].upper() + normalized[1:]