import matplotlib.pyplot as plt
 
# Define the size of the flag
width = 300
height = 200
 
# Create a green background
flag = [[(0, 128, 0) for _ in range(width)] for _ in range(height)]
 
# Define the center and radius of the red circle
center_x = width // 2
center_y = height // 2
radius = min(width, height) // 4
 
# Bresenham circle drawing algorithm
x = 0
y = radius
p = 3 - 2 * radius
 
while x <= y:
    for dx, dy in [(x, y), (-x, y), (x, -y), (-x, -y), (y, x), (-y, x), (y, -x), (-y, -x)]:
        flag[center_y + dy][center_x + dx] = (255, 0, 0)
    x += 1
    if p < 0:
        p += 4 * x + 6
    else:
        y -= 1
        p += 4 * (x - y) + 10
 
# Display the flag
plt.imshow(flag)
plt.axis('off')
plt.show()
 

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