[x for 1 in y]
[x for 'a' in y]
[x for call() in y]
[x for {a, b} in y]
[x for x in *y]
[x for x in yield y]
[x for x in yield from y]
[x for x in lambda y: y]
[**x for x in [{1: 2}]]
[*x, for x in y]
[*x, *y for x in y]
[x for x in data if *y]
[x for x in data if yield y]
[x for x in data if yield from y]
[x for x in data if lambda y: y]
[*x if x else y for x in z]
[x if x else *y for x in z]