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import random, math
n = int(input('请输入一个大于0的整数，回车结束。'))
m = int(input('请输入一个大于0的整数，回车结束。'))
k = int(input('请输入一个大于m的整数，回车结束。'))
i = 0
sum = 0
total = 0
while i < n:
i += 1
number = random.randint(m, k)
a = math.log(number)
b = 1/a
sum += a
total += b
print(sum)
print(total)