Python的Excel数乘以一个负数和正数出现(计数/频率)

I would like python to count the number of time a negative and positive number appears in binary [1 positive and 0 negative]. Furthermore, I would like Python to compute a percentage of how many positive numbers exist from the total count. I am having a very hard time figure this out when working with Python Excel. I would like python to count the number of time