shape = 'G7'
def location2node(location):
    return chr(location[0] + 64 + 1) + str(location[1] + 1)
def node2location(node):
    return ord(node[0]) % 32 - 1, int(node[1]) - 1
shape = node2location(shape.upper())
for y in range(shape[1]+1):
    text = ', '.join([location2node((x, y)) for x in range(shape[0]+1)]) + ', \\'
    print(text)
print('    = MAP.flatten()')