Memory leak in Python

[diffuser78 at gmail.com]

I have a python code which is running on a huge data set. After
starting the program the computer becomes unstable and gets very
diffucult to even open konsole to kill that process. What I am assuming
is that I am running out of memory.

What should I do to make sure that my code runs fine without becoming
unstable. How should I address the memory leak problem if any ? I have
a gig of RAM.

Every help is appreciated.