s = set([x for x in range(3)]) s = set( [x for x in range(3)] ) s = f"{set([x for x in 'ab'])}" s = f'{set([x for x in "ab"])}' def f(x): return x s = f"{set([f(x) for x in 'ab'])}" s = f"{ set([x for x in 'ab']) | set([x for x in 'ab']) }" s = f"{set([x for x in 'ab']) | set([x for x in 'ab'])}" s = set( # comment [x for x in range(3)] ) s = set([ # comment x for x in range(3) ])