1, write the code for the sum of 1-100 average,
# example3_ 1. Py
GBK # coding=
2, given a list composed of 10 integer,9,8,7,6,5,4,3,2,1 [10], programming to list only the middle and lower
Marked as an even number of elements in ascending order and print (subscript for odd element position remains unchanged),
2 # example3_ py
# coding=utf-8
,9,8,7,6,5,4,3,2,1 list1=[10]