What will the int$()$ function do given a decimal number?

Question $99$ options:

Round it down where $>>>$ int$(6\mathrm{.}8)$ revaluates to $6\mathrm{.}5$

Displays the number exactly as it is where $>>>$ int$(6\mathrm{.}8)$ evaluates to $6\mathrm{.}8$

Round it up where $>>>$ int$(6\mathrm{.}8)$ evaluates to $7$

Round it down where $>>>$ int$(6\mathrm{.}8)$ evaluates to $6$