How to avoid writing request.GET.get() twice in order to print it?

Question

I come from a PHP background and would like to know if there\'s a way to do this in Python.

In PHP you can kill 2 birds with one stone like this:

Instead of

Answer 1

config_hash = {}
tmp_dir = ([config_hash[x]  for x in ["tmp_dir"] if config_hash.has_key(x)] or ["tmp"])[0]
print tmp_dir
config_hash["tmp_dir"] = "cat"
tmp_dir = ([config_hash[x]  for x in ["tmp_dir"] if config_hash.has_key(x)] or ["tmp"])[0]
print tmp_dir