F-string problem of python - Codes Helper - Programming Question Answer

F-string problem of python

u = "https://xxx.com/{id}"
id = 1
b = f"{u}" -sharp"https://xxx.com/{id}"
c = "https://xxx.com/1"

how does the f-string of python make b achieve the result of c? can"t define id first, nor do I want the method of f"{xxx.com} {id}". I mainly want to know if there are any tricks.

Python3.x python string

May.24,2022

u = 'https://xxx.com/{id}'
id = 1
c = u.format(id = id)

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