i'm dong node exercise on python today. seem have accomplished part of it, not complete success.
class node: def __init__(self, cargo=none, next=none): self.cargo = cargo self.next = next def __str__(self): return str(self.cargo) node1 = node(1) node2 = node(2) node3 = node(3) node1.next = node2 node2.next = node3 def printlist(node): while node: print node, node = node.next print so original __init__, __str__ , printlist, makes like: 1 2 3.
i have transform 1 2 3 [1,2,3].
i used append on list created:
nodelist = [] node1.next = node2 node2.next = node3 def printlist(node): while node: nodelist.append(str(node)), node = node.next but in list within string, , don't want that.
if eliminate str conversion, memory space when call list print. how unstringed list?
instead of calling str() on node, should access it's cargo:
. . . while node: nodelist.append(node.cargo) node = node.next . . . 