crazy python functions

def josephusProblem(n, k):     i = 0     c = list(range(1, n + 1))     while len(c) != 1:         i += (k - 1)         i %= len(c)         del c[i]     return c[0]

func arrayComplexElementsProduct(real: [Int], imag: [Int]) -> [Int] {     var x = real[0]     var y = imag[0]     for i in 1..<real.count {         let a = x*real[i] - y*imag[i]         let b = x*imag[i] + y*real[i]         x = a         y = b     }     return [x,y] }