Abdulla Al Kathiri wrote:
> Oh I forgot what if you want to return a set from your lambda? Maybe a lambda 
> set should at least have one assignment statement to qualify it as one. 
> Expressions only inside a set syntax will be just a normal set that doesn’t 
> care about order as you pointed out. But a lambda set will care about the 
> order just like when you do a normal multi-lines def function. 
> def f(x):
>     print(x)
>     z = x + 3 
>     return z 
> Is equivalent to
> (x) => {print(x), z = x + 3, z}

You can achieve this already with tuples and assignment expressions (not very 
readable though):

lambda x: (print(x), z := x+3, z)[-1]
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