RosettaCodeData/Task/Mandelbrot-set/Python/mandelbrot-set-1.py

19 lines
435 B
Python

# Python 3.0+ and 2.5+
try:
from functools import reduce
except:
pass
def mandelbrot(a):
return reduce(lambda z, _: z * z + a, range(50), 0)
def step(start, step, iterations):
return (start + (i * step) for i in range(iterations))
rows = (("*" if abs(mandelbrot(complex(x, y))) < 2 else " "
for x in step(-2.0, .0315, 80))
for y in step(1, -.05, 41))
print("\n".join("".join(row) for row in rows))