I'm not able to do this

> 
> ptags.py \*.py
> 
> 
> 

or

> 
> python \*.py
> 
> 
> 

i'm getting an error saying "Cannot open file named \*.py"

but i'm able to open all the python files in vim using this command

> 
> vim \*.py
> 
> 
> 

python 2.7 in windows 7 command prompt