


'''simple docstring'''

# Copyright 2022 The HuggingFace Team. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

from pathlib import Path

from .config_args import default_config_file, load_config_from_file
from .config_utils import SubcommandHelpFormatter


__lowercase:		int    						=  '''Update an existing config file with the latest defaults while maintaining the old configuration.'''



def 							SCREAMING_SNAKE_CASE__(		_UpperCamelCase   :					str )		->       Dict:





   '''simple docstring'''







   UpperCamelCase__			    =    args.config_file
   if config_file is None and Path(_UpperCamelCase ).exists():
      UpperCamelCase__			    =    default_config_file
   elif not Path(_UpperCamelCase ).exists():
      raise ValueError(F'The passed config file located at {config_file} doesn\'t exist.' )
   UpperCamelCase__			    =    load_config_from_file(_UpperCamelCase )

   if config_file.endswith(".json" ):
      config.to_json_file(_UpperCamelCase )
   else:
      config.to_yaml_file(_UpperCamelCase )
   return config_file



def 							SCREAMING_SNAKE_CASE__(		_UpperCamelCase   :					int     ,		_UpperCamelCase   :					Optional[Any] )		->       List[str]:





   '''simple docstring'''







   UpperCamelCase__			    =    parser.add_parser("update"     ,		parents=_UpperCamelCase     ,		help=_UpperCamelCase     ,		formatter_class=_UpperCamelCase )
   parser.add_argument(
       "--config_file"     ,		default=_UpperCamelCase     ,		help=(
           "The path to the config file to update. Will default to a file named default_config.yaml in the cache "
           "location, which is the content of the environment `HF_HOME` suffixed with 'accelerate', or if you don't have "
           "such an environment variable, your cache directory ('~/.cache' or the content of `XDG_CACHE_HOME`) suffixed "
           "with 'huggingface'."
       )     ,		)

   parser.set_defaults(func=_UpperCamelCase )
   return parser






def 							SCREAMING_SNAKE_CASE__(		_UpperCamelCase   :					Union[str, Any] )		->       Union[str, Any]:





   '''simple docstring'''







   UpperCamelCase__			    =    update_config(_UpperCamelCase )
   print(F'Sucessfully updated the configuration file at {config_file}.' )







import numpy as np
import qiskit
from qiskit import Aer, ClassicalRegister, QuantumCircuit, QuantumRegister, execute

def   SCREAMING_SNAKE_CASE_				(				__magic_name__   :    float = np.pi / 2      ,     __magic_name__   :    float = np.pi / 2      ,     __magic_name__   :    float = np.pi / 2   )						->     qiskit.result.counts.Counts:






	"""simple docstring"""



	UpperCamelCase	:Optional[int]		=      QuantumRegister(3      ,     """qr"""   )  # Define the number of quantum bits
	UpperCamelCase	:Optional[Any]		=      ClassicalRegister(1      ,     """cr"""   )  # Define the number of classical bits

	UpperCamelCase	:List[Any]		=      QuantumCircuit(__magic_name__      ,     __magic_name__   )  # Define the quantum circuit.

	# Build the circuit
	quantum_circuit.u(__magic_name__      ,     __magic_name__      ,     __magic_name__      ,     0   )  # Quantum State to teleport
	quantum_circuit.h(1   )  # add hadamard gate
	quantum_circuit.cx(
	    1      ,     2   )  # add control gate with qubit 1 as control and 2 as target.
	quantum_circuit.cx(0      ,     1   )
	quantum_circuit.h(0   )
	quantum_circuit.cz(0      ,     2   )  # add control z gate.
	quantum_circuit.cx(1      ,     2   )

	quantum_circuit.measure([2]      ,     [0]   )  # measure the qubit.

	# Simulate the circuit using qasm simulator
	UpperCamelCase	:Union[str, Any]		=      Aer.get_backend("""aer_simulator"""   )
	UpperCamelCase	:Dict		=      execute(__magic_name__      ,     __magic_name__      ,     shots=1000   )

	return job.result().get_counts(__magic_name__   )


if __name__ == "__main__":
	print(
	    '''Total count for teleported state is: '''
	    F'''{quantum_teleportation(np.pi/2, np.pi/2, np.pi/2)}'''
	)
