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I’m trying to understand the following piece of code:
# node list
n = []
for i in xrange(1, numnodes + 1):
tmp = session.newobject();
n.append(tmp)
link(n[0], n[-1])
Specifically, I don’t understand what the index -1 refers to. If the index 0 refers to the first element, then what does -1 refer to?
Negative numbers mean that you count from the right instead of the left. So,
list[-1]refers to the last element,list[-2]is the second-last, and so on.