print(<warning descr="Python version 3.4, 3.5, 3.6, 3.7 do not support <>, use != instead.">a <> b</warning>)

if <warning descr="Python version 3.4, 3.5, 3.6, 3.7 do not support <>, use != instead.">a <> 2</warning>:
    var = a