function mandelbrot(a)
  z = 0
  for i=1:50
    z = z^2 + a
end
return z
end
for y=1.0:-0.05:-1.0
  for x=-2.0:0.0315:0.5
  abs(mandelbrot(complex(x, y))) < 2 ? print("*") : print(" ")
  end
println()
end
