Reference: OPNOTEQUAL
a ≠ b, or OPNOTEQUAL(a, b), returns False if a and b are identical objects, and True otherwise. a and b might be real or complex numbers, vectors, matrices, pixmaps, sounds, tables, strings, booleans, or sets.
a ≠ b, or OPNOTEQUAL(a, b), returns False if a and b are identical objects, and True otherwise. a and b might be real or complex numbers, vectors, matrices, pixmaps, sounds, tables, strings, booleans, or sets.