removing an instance of an object in python list

Question

I Think this should work but its giving me an error. I have a list that contains objects of class node. I have two different lists

1. open_list

Answer 1

In response to your followup, yes in will check for membership in a list, so:

if removed in node_list: node_list.remove(removed)

will not give you the error. Alternatively, you could trap the error:

try:
    node_list.remove(removed)
except ValueError:
    pass