Needs to be coded in python, I've been getting some weird outputs and I'm unsure if they're correct.

1. Refer to the given figure and find the volume generated by rotating the given region about the indicated axis. May use whichever method you prefer, unless otherwise indicated. (a) Region A about x-axis (b) Region A about y-axis (c) Region B about x-axis (d) Region C about x=2.5 using the washer