def swatch(self, x, y, w=<NUM_LIT>, h=<NUM_LIT>, padding=<NUM_LIT:0>, roundness=<NUM_LIT:0>):
for clr in self:<EOL><INDENT>clr.swatch(x, y, w, h, roundness)<EOL>y += h + padding<EOL><DEDENT>
Rectangle swatches for all the colors in the list.