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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 _AddHeader(self, fp):
 """Create a file header in the config. Args: fp: int, a file pointer for writing the header. """

    text = textwrap.wrap(
        textwrap.dedent(self.config_header), break_on_hyphens=False)
    fp.write('\n'.join(['# ' + line for line in text]))
    fp.write('\n\n')