CUT function in scripting language?

DANBRI

Hello everybody
I'm looking for cut selected polygon 
Are there any function using scripting language?
Please help me to do it?
Best regards
DANBRI

DANBRI

Hello

My problem is about "Cut area to another area"
i try to cut area to another area using scripting language. The latter is possible by user interface.

Are there any possible step to script it?
Best regards
DANBRI