Explicitly test simple (and optimised) string concatenation in f-strings.
Explicitly test simple (and optimised) string concatenation in f-strings.

scoder/cython,scoder/cython,cython/cython,da-woods/cython,da-woods/cython,cython/cython,da-woods/cython,cython/cython,da-woods/cython,cython/cython,scoder/cython,scoder/cython