Python creating dictionary key from a list of items

Question

I wish to use a Python dictionary to keep track of some running tasks. Each of these tasks has a number of attributes which makes it unique, so I\'d like to use a function of th

Answer 1

Use a tuple in place of the list. Tuples are immutable and can be used as dictionary keys:

d[(attrib_a, attrib_b)] = t

The parentheses can be omitted:

d[attrib_a, attrib_b] = t

However, some people seem to dislike this syntax.

Answer 2

Use a tuple

d[(attrib_a, attrib_b)] = t

That should work fine