Is there a "do ... until" in Python? [duplicate]

Is there a

do until x:
    ...

in Python, or a nice way to implement such a looping construct?

There is no do-while loop in Python.

This is a similar construct, taken from the link above.

 while True:
     do_something()
     if condition():
        break

I prefer to use a looping variable, as it tends to read a bit nicer than just "while 1:", and no ugly-looking break statement:

finished = False
while not finished:
    ... do something...
    finished = evaluate_end_condition()

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