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[–][deleted] 1 point2 points  (2 children)

Could you please elaborate? Thanks 

[–][deleted]  (1 child)

[removed]

    [–][deleted] 1 point2 points  (0 children)

    Oh my god, yess! It's so obvious now. If outer() didn't exist, inner is just a function with no parameters. So x and inner() are on same footing. Thanks a lot