题解 | #累加数与平均值#

list = input().split( )
total = 0
for i in list:
    total += int(i)
print(total,f'{total/len(list):.1f}')#不加{}输出的直接是字符串

注意：输出小数有以下几种方法

1.print(f"{sum/len(a):.1f}")

2.print(round(sum/len(a),1)

3.print('{:.1f}'.format(sum/len(a))