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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 parse(self, fileobj, name_hint='', parser=None):
 """Fill from a file-like object."""

        self.current_block = None  # Reset current block
        parser = parser or Parser()
        for line in parser.parse(fileobj, name_hint=name_hint):
            self.handle_line(line)