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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 entry_point_name_to_identifier(entry_point_name):
 """Transform an entry point name into an identifier suitable for inclusion in a PyPI package name."""

    try:
        entry_point_name.encode('ascii')
        ascii_name = entry_point_name
    except UnicodeEncodeError:
        ascii_name = entry_point_name.encode('punycode').decode('ascii')
    return ''.join(char for char in ascii_name
                   if char in string.ascii_lowercase + string.digits)