```rust
use mom;
fn main() {
    let hello = "Hello";
    println!("{}", hello);
}
```

$$ f(x) = x^{2} $$
$$ E_2^1 $$
\color{MediumPurple}{This~is~purple} ~and~that~too!? ~\color{MediumSeaGreen}{But~not~that!}
$$\color{MediumPurple}{This~is~purple} ~and~that~too!? ~\color{MediumSeaGreen}{But~not~that!}$$
