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> String interpolation is one of those features

70% of these "wtfs" aren't about string interpolation but just python's syntax for string.format

https://docs.python.org/3/library/string.html#format-string-...

"String interpolation" is a term for the purpose that the string.format syntax serves.

no it's not - string interpolation means inlining values and such. format strings long predate string interpolation https://en.wikipedia.org/wiki/Printf

Python 2.7 called its % operator the "string interpolation" operator[1], and it doesn't allow inline values.

[1]: https://docs.python.org/2.7/library/stdtypes.html#string-for...

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