[docs] [issue34804] Repetition of 'for example' in documentation

[Aydin]

Change by Aydin <bagiyevaydin at gmail.com>:


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versions: +Python 2.7, Python 3.4, Python 3.5, Python 3.6, Python 3.8

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue34804>
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