优秀网络工程师应具备哪些知识

import Image

# Get this from the challenge page's HTML source:

first = (
146, 399, 163, 403, 170, 393, 169, 391, 166, 386, 170, 381, 170, 371, 170,
355, 169, 346, 167, 335, 170, 329, 170, 320, 170, 310, 171, 301, 173, 290,
178, 289, 182, 287, 188, 286, 190, 286, 192, 291, 194, 296, 195, 305, 194,
307, 191, 312, 190, 316, 190, 321, 192, 331, 193, 338, 196, 341, 197, 346,
199, 352, 198, 360, 197, 366, 197, 373, 196, 380, 197, 383, 196, 387, 192,
389, 191, 392, 190, 396, 189, 400, 194, 401, 201, 402, 208, 403, 213, 402,
216, 401, 219, 397, 219, 393, 216, 390, 215, 385, 215, 379, 213, 373, 213,
365, 212, 360, 210, 353, 210, 347, 212, 338, 213, 329, 214, 319, 215, 311,
215, 306, 216, 296, 218, 290, 221, 283, 225, 282, 233, 284, 238, 287, 243,
290, 250, 291, 255, 294, 261, 293, 265, 291, 271, 291, 273, 289, 278, 287,
279, 285, 281, 280, 284, 278, 284, 276, 287, 277, 289, 283, 291, 286, 294,
291, 296, 295, 299, 300, 301, 304, 304, 320, 305, 327, 306, 332, 307, 341,
306, 349, 303, 354, 301, 364, 301, 371, 297, 375, 292, 384, 291, 386, 302,
393, 324, 391, 333, 387, 328, 375, 329, 367, 329, 353, 330, 341, 331, 328,
336, 319, 338, 310, 341, 304, 341, 285, 341, 278, 343, 269, 344, 262, 346,
259, 346, 251, 349, 259, 349, 264, 349, 273, 349, 280, 349, 288, 349, 295,
349, 298, 354, 293, 356, 286, 354, 279, 352, 268, 352, 257, 351, 249, 350,
234, 351, 211, 352, 197, 354, 185, 353, 171, 351, 154, 348, 147, 342, 137,
339, 132, 330, 122, 327, 120, 314, 116, 304, 117, 293, 118, 284, 118, 281,
122, 275, 128, 265, 129, 257, 131, 244, 133, 239, 134, 228, 136, 221, 137,
214, 138, 209, 135, 201, 132, 192, 130, 184, 131, 175, 129, 170, 131, 159,
134, 157, 134, 160, 130, 170, 125, 176, 114, 176, 102, 173, 103, 172, 108,
171, 111, 163, 115, 156, 116, 149, 117, 142, 116, 136, 115, 129, 115, 124,
115, 120, 115, 115, 117, 113, 120, 109, 122, 102, 122, 100, 121,  95, 121,
89, 115,  87, 110,  82, 109,  84, 118,  89, 123,  93, 129, 100, 130, 108,
132, 110, 133, 110, 136, 107, 138, 105, 140,  95, 138,  86, 141,  79, 149,
77, 155,  81, 162,  90, 165,  97, 167,  99, 171, 109, 171, 107, 161, 111,
156, 113, 170, 115, 185, 118, 208, 117, 223, 121, 239, 128, 251, 133, 259,
136, 266, 139, 276, 143, 290, 148, 310, 151, 332, 155, 348, 156, 353, 153,
366, 149, 379, 147, 394, 146, 399
)

second = (
156, 141, 165, 135, 169, 131, 176, 130, 187, 134, 191, 140, 191, 146, 186,
150, 179, 155, 175, 157, 168, 157, 163, 157, 159, 157, 158, 164, 159, 175,
159, 181, 157, 191, 154, 197, 153, 205, 153, 210, 152, 212, 147, 215, 146,
218, 143, 220, 132, 220, 125, 217, 119, 209, 116, 196, 115, 185, 114, 172,
114, 167, 112, 161, 109, 165, 107, 170,  99, 171,  97, 167,  89, 164,  81,
162,  77, 155,  81, 148,  87, 140,  96, 138, 105, 141, 110, 136, 111, 126,
113, 129, 118, 117, 128, 114, 137, 115, 146, 114, 155, 115, 158, 121, 157,
128, 156, 134, 157, 136, 156, 136
)

first, second = map(
lambda seq: [seq[i:i + 2] for i in range(0, len(seq), 2)],
(first, second)
)

i = Image.open("good.jpg") # http://www.pythonchallenge.com/pc/return/good.jpg new = Image.new(i.mode, i.size)

for elt in (first, second):
for x, y in elt:
new.putpixel((x, y), (255, 255, 255))

new.save("new.jpg")