f-string in python 3.6
f-string literal
According to python official document, f-string is a string literal that is
prefixed with ‘f’ or ‘F’. This was introduced in python 3.6. Apart from
usual python string formatting '%s %d' % ('python', 3.6)
and the format()
method, python 3.6 introduces f-string. Official doc can be
found here.