Which expression for YYY correctly outputs that x is between $50-100?$

if $($YYY$)\{$

$//$ Output $"50,51,...,99,100"$

$\}$

Question $7$ options:

$($x $>=50)||($x $<=100)$

$50>=$ x $<=100$

$50<=$ x $<=100$

$($x $>=50)$ && $($x $<=100)$