help

[joshi campsysindia]

Hi
Iam totally new to python. Iam using python2.2. I have got a file 
with ".py" Iam asked to run the file using this command.
python tcpwatch.py -p 8000
But iam getting syntax error for this command. When i just type python 
Iam getting the error --python not deifned
Do i need to make any path settings before executing this command.
Pls suggest me sthg to run this command.
Pls reply at the earliest

GURURAJ JOSHI
____________________________________________________

Email     :    joshi at campsysindia.com

Phone No. :    040-7871944(O) 
               040-4090358(R)