merits of Lisp vs Python

[Dmitry V. Gorbatovsky]

JShrager at gmail.com wrote:

>I challenge anyone making psychological
> claims about language X (for any X) being easier to either
> read/learn/use than language Y (for any Y) to come up with any valid
> evidence whatever. 
Put aside,that I don't understand meaning of term
"psychological claim" in that context.
It is obvious that different
medium of information exchange provides
different levels of readability for humans.
And accordingly easier/harder to learn/use.

Regards, Dmitry