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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 replace_surrogates(self, m):
 """Replace surrogates."""


        high, low = ord(m.group(1)), ord(m.group(2))
        return chr((high - 0xD800) * 0x400 + low - 0xDC00 + 0x10000)