cocorobolx/skulpt/test/run/t60.trans

Module(body=[If(test=UnaryOp(op=Not(),
                             operand=Compare(left=Str(s='?'),
                                             ops=[In()],
                                             comparators=[Str(s='xyz')])),
                body=[Print(dest=None,
                            values=[Str(s='OK')],
                            nl=True)],
                orelse=[])])