python simple 3 lines solution


  • 10
    Z
    class Solution(object):
        def complexNumberMultiply(self, a, b):
            """
            :type a: str
            :type b: str
            :rtype: str
            """
            a1, a2 = map(int, a[:-1].split('+'))
            b1, b2 = map(int, b[:-1].split('+'))
            return '%d+%di' % (a1 * b1 - a2 * b2, a1 * b2 + a2 * b1)
    

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