**Input:** Two qubits in the $\ket{00}$ state (stored in an array of length 2).

**Goal:** Change the state of the qubits to $\frac{1}{2} \big(\ket{00} + i\ket{01} - \ket{10} - i\ket{11}\big)$.

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<details>
  <summary><b>Need a hint? Click here</b></summary>
  Is this state separable?
</details>
