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[Python-Dev] partition() (was: Remove str.find in 3.0?)

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I have some use cases with:cut_at = some_str.find(sep)head, tail = some_str[:cut_at], some_str[cut_at:]and:cut_at = some_str.find(sep)head, tail = some_str[:cut_at], some_str[cut_at+offset:] # offset != len(sep)So if partition() [or whatever it'll be called] could have an optional second argument that defines the width of the 'cut' made, I would be helped enormously. The default for this second argument would be len(sep), to preserve the current proposal.--eric

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