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 # From: https://rosettacode.org/wiki/Mandelbrot_set#Julia