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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 get_key_section_header(self, key, spaces):
 """Get the key of the header section :param key: the key name :param spaces: spaces to set at the beginning of the header """

        header = super(NumpydocTools, self).get_key_section_header(key, spaces)
        header = spaces + header + '\n' + spaces + '-' * len(header) + '\n'
        return header