andreagus/plp @ bb56291abb1ab2b92b279e5774407806d938b423

Andrea Gus 13cadea389 finished work on oo implementation		%!s(int64=9) %!d(string=hai) anos
..
scheme1.rkt	6257baa8e1 first examples on racket	%!s(int64=9) %!d(string=hai) anos
scheme2.rkt	3786c5236a some exercises	%!s(int64=9) %!d(string=hai) anos
scheme3.rkt	13cadea389 finished work on oo implementation	%!s(int64=9) %!d(string=hai) anos