== start ==
init
aiter
init
anext
a
anext
b
anext
c
anext
== finish ==
== start ==
init
aiter
init
anext
d
anext
e
anext
f
anext
AsyncIteratorWrapper-def
== finish ==
init
== start ==
aiter
init
anext
g
anext
h
anext
i
anext
AsyncIteratorWrapper-ghi
== finish ==
init
== start ==
aiter
init
anext
j
anext
k
anext
l
anext
AsyncIteratorWrapper-jkl
== finish ==