In [9]:
m = int(input('请输入要输入的整数个数,回车结束。'))
max_number = int(input('请输入一个整数,回车结束'))
max2_number = 0
i = 1
while i < m:
i += 1
n = int(input('请输入一个整数,回车结束'))
if n > max_number:
max_number = n
elif n > max2_number:
max2_number = n
print('次大值是:', max2_number)
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