def getCrossProduct(firstComplex, secondComplex):
 return ((firstComplex.real * secondComplex.imag) - (firstComplex.imag * secondComplex.real))

def getCrossProduct ( firstComplex , secondComplex ) : return ( ( firstComplex . real * secondComplex . imag ) - ( firstComplex . imag * secondComplex . real ) )
get z component cross product of a pair of complexes .