Unpacking co-ords from a set of nested lists

sublist-coords.py

# Sample data
img2_dims = [
	[
		[
			'a',
			'b'
		],
	],
	[
		[
			'c',
			'd'
		],
	],
	[
		[
			'e',
			'f'
		],
	],
	[
		[
			'g',
			'h'
		],
	],
]

# Co-ord assignment
(x1, y1), (x2, y2), (x3, y3), (x4, y4) = [(i[0][0], i[0][1]) for i in img2_dims]

# Print to check
print(x1, y1, '\n', x2, y2, '\n', x3, y3, '\n', x4, y4)