$>$ higher$\_$order$\_$lambda $=$ lambda $f$ : lambda $x$:$f(x)$

$g=$ lambda $x$:$x**x$

$$ higher$\_$order$\_$lambda$(2)($g$)$ # Which argument belongs to which function call?

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

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

$$ call$\_$thrice$($lambda $y$:$y+1$

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

$$ print$\_$lambda

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

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