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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 has_section(self, section_name):
 		""" 		Checks that an option exists and that it contains sub options. 		:param str section_name: The name of the section to check. 		:return: True if the section exists. 		:rtype: dict 		"""

		if not self.has_option(section_name):
			return False
		return isinstance(self.get(section_name), dict)