from typing import Dict
from typing import List


def _create_default_qubit_map(n_qubits: int) -> Dict[int, List[int]]:
    """Creates a qubit map that maps each qubit to itself."""
    qubit_map = {}
    for i in range(n_qubits):
        qubit_map[i] = [i, 1]
    return qubit_map