$\_\_\_\_\_\_$

$>>>$ higher$\_$order$\_$lambda$($g$)(2)$

$\_\_\_\_\_\_$

$>>>$ call$\_$thrice $=$ lambda f: lambda x: f$($f$($f$($x$)))$

$>>>$ call$\_$thrice$($lambda y: y $+1)(0)$

$\_\_\_\_\_\_$

$>>>$ print$\_$lambda $=$ lambda z: print$($z$)$ # When is the return expression of a lambda expression executed?

$>>>$ print$\_$lambda

$\_\_\_\_\_\_$

$>>>$ one$\_$thousand $=$ print$\_$lambda$(1000)$

$\_\_\_\_\_\_$

$>>>$ one$\_$thousand # What did the call to print$\_$lambda return?