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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 match_any_char(self, chars, offset=0):
 """Match and return the current SourceString char if its in chars."""

        if not self.has_space(offset=offset):
            return ''
        current = self.string[self.pos + offset]
        return current if current in chars else ''