如何将多个ELIF语句转换为一个方法(PYTHON)

I am wondering how I can go about condensing these elif statements into a method of some sorts. I also don't know how to go about storing a chosen coordinate so that I can perform checks of surrounding coordinates. I know my code is nooby, but so am I, I learn better starting with the long way :)I am wondering how I can go about condensing th