"""
 node.py
"""

class Node:
    def __init__(self, name, next=None):
        self.name = name
        self.next = next
    def __str__(self):
        return "Node({})".format(self.name)

def list2str(node):
    result = '['
    while node:
        result += node.name + ', '
        node = node.next
    return result + ']'

def main():
    jim = Node('Jim')
    sally = Node('Sally', next=jim)
    fred = Node('Fred', next=sally)
    print(list2str(fred))

main()