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#!/usr/bin/env python
import sys
import re
def main(inputs):
first_nums = list(map(int, re.findall(r'-?\d+', inputs[0])))
second_nums = list(map(int, re.findall(r'-?\d+', inputs[1])))
if len(first_nums) != len(second_nums):
raise ValueError('Arrays are of different lengths')
dots = []
sums = []
for i in range(len(first_nums)):
dots.append(f'({first_nums[i]} × {second_nums[i]})')
sums.append(first_nums[i] * second_nums[i])
print(' + '.join(dots) +
' => ' +
' + '.join(map(str, sums)) +
' => ' +
str(sum(sums)))
if __name__ == '__main__':
main(sys.argv[1:])
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