cnt = []
cnt.append([[272, 271]])
cnt.append([[271, 272]])
cnt.append([[270, 272]])
cnt.append([[269, 272]])
cnt.append([[268, 272]])
xList = [x[0][0] for x in cnt]
print(xList)
Y250ID0gW10KY250LmFwcGVuZChbWzI3MiwgMjcxXV0pCmNudC5hcHBlbmQoW1syNzEsIDI3Ml1dKQpjbnQuYXBwZW5kKFtbMjcwLCAyNzJdXSkKY250LmFwcGVuZChbWzI2OSwgMjcyXV0pCmNudC5hcHBlbmQoW1syNjgsIDI3Ml1dKQoKeExpc3QgPSBbeFswXVswXSBmb3IgeCBpbiBjbnRdCnByaW50KHhMaXN0KQ==