[Tutor] function return values

[Peter Otten]

On 03/12/2021 08:04, Cameron Simpson wrote:

> _However_, the == operator binds more tightly that the , operator. So
> this:
> 
>      if item, row, column_list == None, None, None:
> 
> is actually a 5-tuple:
> 
>      item
>      row
>      column_list==None
>      None
>      None
> 
> Being a non-empty tuple, it is always true. Not what you wanted to test.

I believed you, but something made me feed this to the interpreter:

 >>> 1, 2 == 3, 4
(1, False, 4)
 >>> if 1, 2 == 3, 4: print("equal")
SyntaxError: invalid syntax

So the unsuspecting writer gets one more chance to put the parens into 
the right places ;)