Preview:
listing = os.listdir(path) 
num_samples=size(listing)
print num_samples

for file in listing:
    im = Image.open(path1 + '/' + file)   
    img = im.resize((img_rows,img_cols))
    gray = img.convert('L')
    gray.save(path2 +'/' +  file, "PNG")
downloadDownload PNG downloadDownload JPEG downloadDownload SVG

Tip: You can change the style, width & colours of the snippet with the inspect tool before clicking Download!

Click to optimize width for Twitter