Automatically expiring variable

Question

How to implement an automatically expiring variable in python? For example, Let the program running For one hour. I want implement an array of 6 variables, each variable in

Answer 1

You can use the time module to clear the "array" every 10 minutes, by checking the time interval from when the script starts.

The last example on http://effbot.org/librarybook/time.htm point you in the right direction.