@jit
def mandel(x, y, max_iters):
 i = 0
 c = complex(x, y)
 z = 0j
 for i in range(max_iters):
  z = ((z * z) + c)
  if (((z.real * z.real) + (z.imag * z.imag)) >= 4):
   return i
 return 255

@ jit def mandel ( x , y , max_iters ) : i = 0 c = complex ( x , y ) z = 0j for i in range ( max_iters ) : z = ( ( z * z ) + c ) if ( ( ( z . real * z . real ) + ( z . imag * z . imag ) ) >= 4 ) : return i return 255
given the real and imaginary parts of a complex number .