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from typing import Any, Tuple a: set[Any] = {} b: set[int] = { 10, 20 } c: set[set[Any]] = { {}, {} } d: set[set[str]] = { { "a" }, { "c", "d" } } e: set[Tuple[int, int]] = { (x, 0) for x in b } f: set[int] = { x ** 2 for x in range(0, 10 + 1, 1) }