python da ev yapımı (görüntü işleme)

import numpy as np
import matplotlib.pyplot as plt
from skimage import data,io,filters
A=np.zeros((100,100))

for i in range(20,81):
    A[90,i]=255

for i in range(20,81):
    A[40,i]=255



for i in range(40,91):
    A[i,20]=255
for i in range (40,91):
    A[i,80]=255

for i in range(10,21):
    A[40,i]=255
for i in range(80,91):
    A[40,i]=255
for i in range(75,91):
    A[i,45]=255
for i in range(75,91):
    A[i,55]=255
for i in range(45,56):
    A[75,i]=255
for i in range(20,41):
    A[55,i]=255
for i in range(60,81):
    A[55,i]=255
for i in range(55,76):
    A[i,40]=255
for i in range(55,76):
    A[i,60]=255
for i in range(20,41):
    A[75,i]=255
for i in range(60,81):
    A[75,i]=255







print A

print "ev"
io.imshow(A,cmap="gray")
io.show()

[[ 0.  0.  0. ...,  0.  0.  0.]
 [ 0.  0.  0. ...,  0.  0.  0.]
 [ 0.  0.  0. ...,  0.  0.  0.]
 ..., 
 [ 0.  0.  0. ...,  0.  0.  0.]
 [ 0.  0.  0. ...,  0.  0.  0.]
 [ 0.  0.  0. ...,  0.  0.  0.]]

ev