# ======================================================================
# Copyright TOTAL / CERFACS / LIRMM (04/2020)
# Contributor: Adrien Suau (<adrien.suau@cerfacs.fr>
#                           <adrien.suau@lirmm.fr>)
#              Siyuan Niu  (<siyuan.niu@lirmm.fr>)
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import typing as ty

from qiskit.circuit.quantumregister import Qubit


def mapping_to_str(mapping: ty.Dict[Qubit, int]) -> str:
    qubits_str = ["" for _ in range(len(mapping))]
    for k, v in mapping.items():
        qubits_str[v] = str(k)
    return ":".join(qubits_str)
