优先掌握部分 切片l=['a','b','c','d','e','f']print(l[1:5])print(l[1:5:2])print(l[2:5])print(l[-1])了解print(l[-1:-4])print(l[-4:])l=['a','b','c','d','e','f']print(l[-2:])追加hobbies=['play','eat','sleep','study']hobbies.append('girls')print(hobbies) 删除hobbies=['p…