Useful Function
a = [1,2,3,4,5,6]
a.remove(max(a)) #去掉最大数
a.remove(min(a)) #去掉最小数
#求和
sum_num = 0
for i in a:
sum_num += i
print(sum_num)
a = [1,2,3,4,5,6]
a.remove(max(a)) #去掉最大数
a.remove(min(a)) #去掉最小数
#求和
sum_num = 0
for i in a:
sum_num += i
print(sum_num)