python list中的最后一个元素
# To get the last element in a list you use -1 as position
bikes = ['trek', 'redline', 'giant']
bikes[-1]
# Output:
# 'giant'
list python的最后一个元素
>>> some_list = [1, 2, 3]
>>> some_list[-1] = 5 # Set the last element
>>> some_list[-2] = 3 # Set the second to last element
>>> some_list
[1, 3, 5]