Show default value for editing on Python input possible?

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The standard library functions input() and raw_input() don’t have this functionality. If you’re using Linux you can use the readline module to define an input function that uses a prefill value and advanced line editing:

import readline

def rlinput(prompt, prefill=""):
   readline.set_startup_hook(lambda: readline.insert_text(prefill))
   try:
      return input(prompt)  # or raw_input in Python 2
   finally:
      readline.set_startup_hook()

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