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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 _remotes_txt_content(self):
 """Generate a file containing overrides for Conan remotes which get applied to registry.json."""

    return '{}\n'.format('\n'.join(
      '{name} {url} {is_ssl}'.format(
        name=name,
        url=url,
        is_ssl=re.match(r'^https://', url) is not None)
        for name, url in self.get_options().conan_remotes.items()))