# $\lvert i\rangle$ (Qiskit) [[i-state|Plus-i state $\lvert i\rangle$]] implementation using Qiskit. The $\lvert i\rangle$ state is prepared by applying a [[h-gate|Hadamard gate]] followed by an S gate to $\lvert 0\rangle$. ```python from qiskit import QuantumCircuit from qiskit.quantum_info import Statevector qc = QuantumCircuit(1) qc.h(0) # |0> -> |+> qc.s(0) # |+> -> |i> = (|0> + i|1>) / sqrt(2) print(Statevector(qc)) # Statevector([0.70710678+0.j, 0.+0.70710678j], dims=(2,)) ```