python输入一系列数字,并求和与求平均数

Question

如题所述

Answer 1

def exercise():

        count=0

        total=0

        while True:

                s=input('请输入数字后按回车键，输入字母e结束：')

                if s=='e':break

                if s=='' or not s.isdigit():continue

                total+=int(s)

                count+=1

        print('你输入了',count,'个数字，总和为',total,'平均数是',total/count)