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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 unicode2ascii(text, expand=True):
 r""" Translate UTF8 characters to ASCII >> unicode2ascii("żółw") zozw utf8_letters = 'ą ę ć ź ż ó ł ń ś “ ” ’'.split() ascii_letters = 'a e c z z o l n s " " \'' """

    translate = UTF8_TO_ASCII if not expand else UTF8_TO_MULTIASCII
    output = ''
    for c in text:
        if not c or ord(c) < 128:
            output += c
        else:
            output += translate[c] if c in translate else ' '
    return output.strip()