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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 _processEscapeSequences(replaceText):
 """Replace symbols like \n \\, etc """

    def _replaceFunc(escapeMatchObject):
        char = escapeMatchObject.group(0)[1]
        if char in _escapeSequences:
            return _escapeSequences[char]

        return escapeMatchObject.group(0)  # no any replacements, return original value

    return _seqReplacer.sub(_replaceFunc, replaceText)