From: Aqua Fina <aquafina@...>
Date: 2006-08-09T03:49:36+09:00
Subject: Simple looping question

I have some data in a YAML file that looks like:

20060712: [9.174, 131452]
20060719: [9.466, 131805]
20060727: [9.197, 132150]
20060807: [9.778, 132540]

It represents dates, gallons of gas, and mileage, respectively.

I want to loop through and print out something like:

The W gallons of gas purchased on X lasted Y days. The mileage was Z 
miles per gallon.

What is the best way to do this? I need the next date from the next 
entry in the hash, so a simple .each won't work. I can't quite wrap my 
head around this problem.

Thanks.

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