reading empty input

[Janos Blazi]

I'd like to write something like this:

a=-1
while a!="empty":
  a=input()
  if  "a!=empty": <commands>

this is pseucode of course. The while loop should run until the user
responds to the input prompt by the enter key (and no real input)

How can I do this? Have I to use raw_input?

Janos Blazi




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