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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 iter_lines(self, section):
 """Iterate over all lines in a section. This will skip 'header' lines. """

        try:
            section = self._get_section(section, create=False)
        except KeyError:
            return

        for block in section:
            for line in block:
                yield line