def is_solved(self):
if self.cube.D == [[Square(self.cube["<STR_LIT:D>"].colour)] * <NUM_LIT:3>] * <NUM_LIT:3>:<EOL><INDENT>for face in "<STR_LIT>":<EOL><INDENT>if self.cube.get_face(face)[<NUM_LIT:1>:] != [[Square(self.cube[face].colour)] * <NUM_LIT:3>] * <NUM_LIT:2>:<EOL><INDENT>return False<EOL><DEDENT><DEDENT>return True<EOL><DEDENT>return False<EOL>
Check if Cube's F2L is solved.