



"""simple docstring"""






import numpy as np
import qiskit


def      _lowercase							(    __snake_case = 8   ,__snake_case = None      )		->  str:
			__lowerCAmelCase :    Union[str, Any]				=			np.random.default_rng(seed=__snake_case      )

			# Roughly 25% of the qubits will contribute to the key.
			# So we take more than we need.
			__lowerCAmelCase :    Dict				=			6 * key_len
			# Measurement basis for Alice's qubits.
			__lowerCAmelCase :    int				=			rng.integers(2   ,size=__snake_case      )
			# The set of states Alice will prepare.
			__lowerCAmelCase :    Any				=			rng.integers(2   ,size=__snake_case      )
			# Measurement basis for Bob's qubits.
			__lowerCAmelCase :    Any				=			rng.integers(2   ,size=__snake_case      )

			# Quantum Circuit to simulate BB84
			__lowerCAmelCase :    List[Any]				=			qiskit.QuantumCircuit(__snake_case   ,name="BB84"      )

			# Alice prepares her qubits according to rules above.
			for index, _ in enumerate(__snake_case      ):
						if alice_state[index] == 1:
									bbaa_circ.x(__snake_case      )
						if alice_basis[index] == 1:
									bbaa_circ.h(__snake_case      )
			bbaa_circ.barrier()

			# Bob measures the received qubits according to rules above.
			for index, _ in enumerate(__snake_case      ):
						if bob_basis[index] == 1:
									bbaa_circ.h(__snake_case      )

			bbaa_circ.barrier()
			bbaa_circ.measure_all()

			# Simulate the quantum circuit.
			__lowerCAmelCase :    Tuple				=			qiskit.Aer.get_backend("aer_simulator"      )
			# We only need to run one shot because the key is unique.
			# Multiple shots will produce the same key.
			__lowerCAmelCase :    Dict				=			qiskit.execute(__snake_case   ,__snake_case   ,shots=1   ,seed_simulator=__snake_case      )
			# Returns the result of measurement.
			__lowerCAmelCase :    Dict				=			job.result().get_counts(__snake_case      ).most_frequent()

			# Extracting the generated key from the simulation results.
			# Only keep measurement results where Alice and Bob chose the same basis.
			__lowerCAmelCase :    List[str]				=			"".join(
			    [
			        result_bit
			        for alice_basis_bit, bob_basis_bit, result_bit in zip(
			            __snake_case   ,__snake_case   ,__snake_case      )
			        if alice_basis_bit == bob_basis_bit
			    ]      )

			# Get final key. Pad with 0 if too short, otherwise truncate.
			__lowerCAmelCase :    List[str]				=			gen_key[:key_len] if len(__snake_case      ) >= key_len else gen_key.ljust(__snake_case   ,"0"      )
			return key


if __name__ == "__main__":
	print(F"""The generated key is : {bbaa(8, seed=0)}""")
	from doctest import testmod

	testmod()




"""simple docstring"""






from ...configuration_utils import PretrainedConfig
from ...utils import logging


__snake_case				:  Dict =       logging.get_logger(__name__)

__snake_case				:  int =       {
    'uclanlp/visualbert-vqa': 'https://huggingface.co/uclanlp/visualbert-vqa/resolve/main/config.json',
    'uclanlp/visualbert-vqa-pre': 'https://huggingface.co/uclanlp/visualbert-vqa-pre/resolve/main/config.json',
    'uclanlp/visualbert-vqa-coco-pre': (
        'https://huggingface.co/uclanlp/visualbert-vqa-coco-pre/resolve/main/config.json'
    ),
    'uclanlp/visualbert-vcr': 'https://huggingface.co/uclanlp/visualbert-vcr/resolve/main/config.json',
    'uclanlp/visualbert-vcr-pre': 'https://huggingface.co/uclanlp/visualbert-vcr-pre/resolve/main/config.json',
    'uclanlp/visualbert-vcr-coco-pre': (
        'https://huggingface.co/uclanlp/visualbert-vcr-coco-pre/resolve/main/config.json'
    ),
    'uclanlp/visualbert-nlvr2': 'https://huggingface.co/uclanlp/visualbert-nlvr2/resolve/main/config.json',
    'uclanlp/visualbert-nlvr2-pre': 'https://huggingface.co/uclanlp/visualbert-nlvr2-pre/resolve/main/config.json',
    'uclanlp/visualbert-nlvr2-coco-pre': (
        'https://huggingface.co/uclanlp/visualbert-nlvr2-coco-pre/resolve/main/config.json'
    )
    # See all VisualBERT models at https://huggingface.co/models?filter=visual_bert
}



class      A__  (    __SCREAMING_SNAKE_CASE				):




	'''simple docstring'''





	SCREAMING_SNAKE_CASE        =      'visual_bert'

	def __init__(	self:						int			,     _SCREAMING_SNAKE_CASE:						Dict=3_0522			,     _SCREAMING_SNAKE_CASE:						Union[str, Any]=768			,     _SCREAMING_SNAKE_CASE:						List[str]=512			,     _SCREAMING_SNAKE_CASE:						Optional[int]=12			,     _SCREAMING_SNAKE_CASE:						List[str]=12			,     _SCREAMING_SNAKE_CASE:						Tuple=3072			,     _SCREAMING_SNAKE_CASE:						Union[str, Any]="gelu"			,     _SCREAMING_SNAKE_CASE:						Tuple=0.1			,     _SCREAMING_SNAKE_CASE:						str=0.1			,     _SCREAMING_SNAKE_CASE:						List[Any]=512			,     _SCREAMING_SNAKE_CASE:						Any=2			,     _SCREAMING_SNAKE_CASE:						Optional[int]=0.02			,     _SCREAMING_SNAKE_CASE:						Union[str, Any]=1e-12			,     _SCREAMING_SNAKE_CASE:						List[str]=False			,     _SCREAMING_SNAKE_CASE:						int=True			,     _SCREAMING_SNAKE_CASE:						str=1			,     _SCREAMING_SNAKE_CASE:						Tuple=0			,     _SCREAMING_SNAKE_CASE:						Any=2			,     **_SCREAMING_SNAKE_CASE:						List[str]			,     )							->			str:

				"""simple docstring"""

				super().__init__(pad_token_id=_SCREAMING_SNAKE_CASE			,     bos_token_id=_SCREAMING_SNAKE_CASE			,     eos_token_id=_SCREAMING_SNAKE_CASE			,     **_SCREAMING_SNAKE_CASE)

				__lowerCAmelCase :    str				=			vocab_size
				__lowerCAmelCase :    Tuple				=			max_position_embeddings
				__lowerCAmelCase :    Any				=			hidden_size
				__lowerCAmelCase :    Union[str, Any]				=			visual_embedding_dim
				__lowerCAmelCase :    List[str]				=			num_hidden_layers
				__lowerCAmelCase :    Optional[int]				=			num_attention_heads
				__lowerCAmelCase :    str				=			intermediate_size
				__lowerCAmelCase :    int				=			hidden_act
				__lowerCAmelCase :    Union[str, Any]				=			hidden_dropout_prob
				__lowerCAmelCase :    int				=			attention_probs_dropout_prob
				__lowerCAmelCase :    List[Any]				=			initializer_range
				__lowerCAmelCase :    Dict				=			type_vocab_size
				__lowerCAmelCase :    Optional[int]				=			layer_norm_eps
				__lowerCAmelCase :    Union[str, Any]				=			bypass_transformer
				__lowerCAmelCase :    List[str]				=			special_visual_initialize