[issue43558] The dataclasses documentation should mention how to call super().__init__

[junyixie]

Change by junyixie <xie.junyi at outlook.com>:


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pull_requests: +23731
pull_request: https://github.com/python/cpython/pull/24972

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue43558>
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