import numpy as np
import matplotlib.pyplot as plt
from PIL import Image as im
height = 100000
img = np.zeros([height, 600, 3])
array = 255 * np.arange(height) / height
for i in range(600):
    img[:, i, 2] = array
img = np.uint8(img)
data = im.fromarray(img)
data.save('images/background.png')

e1e067ccce9006a661d17e75fd88338012f23f81
<mask token>

<mask token>
for i in range(600):
    img[:, i, 2] = array
<mask token>
data.save('images/background.png')

<mask token>
height = 100000
img = np.zeros([height, 600, 3])
array = 255 * np.arange(height) / height
for i in range(600):
    img[:, i, 2] = array
img = np.uint8(img)
data = im.fromarray(img)
data.save('images/background.png')

import numpy as np
import matplotlib.pyplot as plt
from PIL import Image as im
height = 100000
img = np.zeros([height, 600, 3])
array = 255 * np.arange(height) / height
for i in range(600):
    img[:, i, 2] = array
img = np.uint8(img)
data = im.fromarray(img)
data.save('images/background.png')
