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import re

from PIL import Image, ImageDraw

def main():

"""

Challenge 09: Using ImageDraw to draw polygon from points

http://www.pythonchallenge.com/pc/return/good.html

"""

# Read text files and gather numberical points

pattern = re.compile(r'\d+')

dots1 = re.findall(pattern, open("text/lv9-dots1.txt").read())

dots2 = re.findall(pattern, open("text/lv9-dots2.txt").read())

# Create a new image to draw points

image = Image.new('RGB', (450, 450))

draw = ImageDraw.Draw(image)

# Draw first polygon

points = []

for i in xrange(0, len(dots1), 2):

points.append((int(dots1[i]), int(dots1[i+1])))

draw.polygon(points)

# Clear points list, and draw second polygon

del points[:]

for i in xrange(0, len(dots2), 2):

points.append((int(dots2[i]), int(dots2[i+1])))

draw.polygon(points)

del draw

image.show()

if __name__ == '__main__':

main()