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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 _makeComplementTable(complementData):
 """ Make a sequence complement table. @param complementData: A C{dict} whose keys and values are strings of length one. A key, value pair indicates a substitution that should be performed during complementation. @return: A 256 character string that can be used as a translation table by the C{translate} method of a Python string. """

    table = list(range(256))
    for _from, to in complementData.items():
        table[ord(_from[0].lower())] = ord(to[0].lower())
        table[ord(_from[0].upper())] = ord(to[0].upper())
    return ''.join(map(chr, table))