Hi all, I found that there are str.index() and str.rindex(), but there is only list.index() and no list.rindex(). So I filed the issue https://bugs.python.org/issue36639 to provide list.rindex(). However, the issue was rejected and closed with the comment:
> There were known, strong use cases for str.rindex(). The list.rindex() method was intentionally omitted. AFAICT no compelling use cases have arisen, so we should continue to leave it out. In general, we don't grow the core APIs unnecessarily. However, I am not sure what the known, strong use cases for str.rindex() are. Why doesn't the strong use cases apply on list.rindex()? Could anyone give me some examples? Thanks. Best, John Lin
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