[staticassertion]

Something along the lines of...

    code = 'f"{input()} {x}"'

    lambda x: eval(code)

(Please don't do this)

[staticassertion]

    code = 'f"here it is {eval(input())}"'
    (lambda: eval(code))()

k, there we go

[linkdd]

Yes, I'll stick to using str.format :)