# basic version
def boundingBox(geometry):
    x, y = [], []
    for point in geometry:
        x.append(point[0]) # X coordinate
        y.append(point[1]) # Y coordinate
    minX = min(x)
    maxX = max(x)
    minY = min(y)
    maxY = max(y)
    # only lower left and upper right corner coordinates are needed, they are also easy to remember – lower left corner has minimum X and Y coordinates, while upper right has maximum X and Y
    # another two good possibilities for bbox format:
    # [minX, minY, maxX, maxY] – boundaries, no point coordinates
    # [[minX, minY], width, height] – mainly useful outside of GIS
    return [[minX, minY], [maxX, maxY]]

# short version – the same as previous function, just done in less code
def boundingBox(geometry):
    x, y = [p[0] for p in geometry], [p[1] for p in geometry]
    return [[min(x), min(y)], [max(x), max(y)]]
        
print boundingBox([[1, 0], [3, 4], [7, 2]]) # [[1, 0], [7, 4]] → lower left, upper right corner coordinates

def bboxOverlap(bbox1, bbox2):
    # some variables only for reference, use this handy way of variable definition to get the values quickly
    [[minX1, minY1], [maxX1, maxY1]] = bbox1
    [[minX2, minY2], [maxX2, maxY2]] = bbox2
    
    # again, setting up conditions to describe bbox2 position relative to bbox1 – "left" means wether bbox2 is to the left from bbox2, etc.
    left = maxX2 < minX1
    right = minX2 > maxX1
    above = minY2 > maxY1
    below = maxY2 < minY1
    
    # if bbox2 is to the left, right, above or below bbox1, it means they don't overlap
    if (left or right or above or below):
        return False
    # if bbox2 is neither to the left, right, above or below bbox1, the opposite is true – bounding boxes do overlap!
    else:
        return True