Hi Hugo, halamillo wrote: > I;m starting this > code so I can assign either a 0 or a 1 at a root node that I will later > evolve throughout a tree, but for some reason it is not printing the > rootState value.
It's not clear to me which variable you are trying to assign a zero or one. Here's my guess at how you are wanting to use your class: >>> import random >>> from random import random as rnd >>> >>> >>> class Root: ... """Single Node in a Tree""" ... def __init__(self, rootState): ... self._rootState = rootState ... # random choice for root state from a list ... self._rootState = random.choice([0, 1]) ... def __str__(self): ... return str( self._rootState ) ... >>> >>> >>> rs = 99 >>> r = Root(rootState=rs) >>> print rs 99 >>> print r 0 >>> print "The character state at the root is %0.f" % float(r._rootState) The character state at the root is 0 Note: 1. I removed the loop in your __init__method because it was simply making two random choices when one should do. 2. I assigned the random choice to the class' _rootState attribute, not the rootState argument to the __init__ method. You can also make a "rootState" property of the class so that the last line, above, would look like: >>> print "The character state at the root is %0.f" % float(r.rootState) I hope that helps. Eric. _______________________________________________ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
