palette = map(lambda a:(a,
 a,
 a)
, range(256))
palette = map(lambda (r, g, b,):((chr(r) + chr(g)) + chr(b))
, palette)
palette = map(lambda r:r
, palette)
palette = lambda (r, g, b,):r

palette = lambda (r):r

palette = lambda r:r

palette = (lambda (r):r
,
 palette)