Best of ru python

#!/usr/bin/env python3
import os

G = '''"$@B%8&WM#*oahkbdpqwmZO0QLCJUYXzcvunxrjft/\|()1{}[]?-_+~<>i!lI;:,"^`'. "'''

if hasattr(os, 'get_terminal_size'):
    tsize = os.get_terminal_size
else:
    tsize = lambda:(int(os.getenv('COLUMNS', 80)), int(os.getenv('LINES', 24)))

def m(w, h, z):
    out = ''
    xz, yz = z, z * 6 / 5
    for y in range(h):
        yy = yz * (y / h - .5) - 1
        for x in range(w):
            xx = xz * (x / w - .5)
            z, c = 0j, complex(xx, yy)
            for r in G:
                z = z**2 + c
                if abs(z.real) > 2 or abs(z.imag) > 2:
                    out += r
                    break
            else:
                out += ' '
    return out

if __name__ == '__main__':
    z = 1
    while 1:
        w, h = tsize()
        print(m(w, h-1, z))
        z *= 0.97