[issue20692] Tutorial and FAQ: how to call a method on an int

[Terry J. Reedy]

Change by Terry J. Reedy <tjreedy at udel.edu>:


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pull_requests: +27209
pull_request: https://github.com/python/cpython/pull/28918

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue20692>
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