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From: Dave Angel <davea@davea.name>
Subject: Re:Initialise dictionary of dictionary
Date: Thu, 23 Jan 2014 10:34:15 -0500 (EST)
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Xref: csiph.com comp.lang.python:64618

 Ayushi Dalmia <ayushidalmia2604@gmail.com> Wrote in message:
> I need to initialise a dictionary of dictionary with float values. I do not know the size of the dictionary beforehand. How can we do that in Python
> 

Do what?  There's no concept of pre-initializing a dictionary, and
 there's no specific limit to its eventual size.

Unsure of what the floats have to do with it. Perhaps you meant
 float KEYS. 

-- 
DaveA