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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 _sanitize(text):
 """Return sanitized Eidos text field for human readability."""

    d = {'-LRB-': '(', '-RRB-': ')'}
    return re.sub('|'.join(d.keys()), lambda m: d[m.group(0)], text)