def clear_display_buffer(self):
for row in range(<NUM_LIT:0>, <NUM_LIT:8>):<EOL><INDENT>self.firmata.i2c_write(<NUM_LIT>, row * <NUM_LIT:2>, <NUM_LIT:0>, <NUM_LIT:0>)<EOL>self.firmata.i2c_write(<NUM_LIT>, (row * <NUM_LIT:2>) + <NUM_LIT:1>, <NUM_LIT:0>, <NUM_LIT:0>)<EOL>for column in range(<NUM_LIT:0>, <NUM_LIT:8>):<EOL><INDENT>self.display_buffer[row][column] = <NUM_LIT:0><EOL><DEDENT><DEDENT>
Set all led's to off.