In [1]:

    

1 2 +


    

    




3

In [2]:

    

sqr


    

    




9

In [3]:

    

clear


    

In [4]:

    

["tommy" 23 ["richard" 48 [] []] ["jenny" 18 [] []]] 


    

    




[u'tommy' 23 [u'richard' 48 [] []] [u'jenny' 18 [] []]]

In [5]:

    

[first]


    

    




[u'tommy' 23 [u'richard' 48 [] []] [u'jenny' 18 [] []]] [first]

In [6]:

    

[dup] dip


    

    




[u'tommy' 23 [u'richard' 48 [] []] [u'jenny' 18 [] []]] [u'tommy' 23 [u'richard' 48 [] []] [u'jenny' 18 [] []]] [first]

In [7]:

    

[not] [pop] roll< [dupdip] cons [[rest rest] dip step]


    

    




[u'tommy' 23 [u'richard' 48 [] []] [u'jenny' 18 [] []]] [u'tommy' 23 [u'richard' 48 [] []] [u'jenny' 18 [] []]] [not] [pop] [[first] dupdip] [[rest rest] dip step]

In [8]:

    

genrec


    

    




[u'tommy' 23 [u'richard' 48 [] []] [u'jenny' 18 [] []]] u'tommy' u'richard' u'jenny'

In [ ]: