Answer 1

Might be these link be helpful for u :

https://www.google.com/url?sa=t&source=web&rct=j&url=https://primer.dynamobim.org/en/10_Custom-Nodes/10-5_Python-Revit.html&ved=2ahUKEwjmy_3shqziAhXCfisKHXDQCIMQFjATegQIAhAB&usg=AOvVaw2vw0hYcytIDpqqN2CVMwmV

https://www.google.com/url?sa=t&source=web&rct=j&url=https://www.autodesk.com/autodesk-university/class/Untangling-JUMP_LINK__&&__Python__&&__JUMP_LINK-Crash-Course-Dynamos-Python-Node-2017&ved=2ahUKEwjmy_3shqziAhXCfisKHXDQCIMQFjAUegQIAxAB&usg=AOvVaw14WvH2UeUMFXAAWWI4K_2i

https://www.google.com/url?sa=t&source=web&rct=j&url=https://www.lynda.com/course-tutorials/Dynamo-Revit-Python-Scripting-REVISION/779745-2.html&ved=2ahUKEwjmy_3shqziAhXCfisKHXDQCIMQFjAVegQIARAB&usg=AOvVaw2lbiXRXWT4RSHElur29Cqj

Thanks