
def     __lowerCAmelCase			(			a__  )       ->  bool:
				return credit_card_number.startswith(('''34''', '''35''', '''37''', '''4''', '''5''', '''6''')  )


def     __lowerCAmelCase			(			a__  )       ->  bool:
				__a										=    credit_card_number
				__a										=    0
				__a										=    len(a__  ) - 2
				for i in range(a__						,    -1						,    -2  ):
								#  double the value of every second digit
								__a										=    int(cc_number[i]  )
								digit *= 2
								# If doubling of a number results in a two digit number
								# i.e greater than 9(e.g., 6 × 2 = 12),
								# then add the digits of the product (e.g., 12: 1 + 2 = 3, 15: 1 + 5 = 6),
								# to get a single digit number.
								if digit > 9:
												digit %= 10
												digit += 1
								__a										=    cc_number[:i] + str(a__  ) + cc_number[i + 1 :]
								total += digit

				# Sum up the remaining digits
				for i in range(len(a__  ) - 1						,    -1						,    -2  ):
								total += int(cc_number[i]  )

				return total % 10 == 0


def     __lowerCAmelCase			(			a__  )       ->  bool:
				__a										=    F"""{credit_card_number} is an invalid credit card number because"""
				if not credit_card_number.isdigit():
								print(F"""{error_message} it has nonnumerical characters."""  )
								return False

				if not 13 <= len(a__  ) <= 16:
								print(F"""{error_message} of its length."""  )
								return False

				if not validate_initial_digits(a__  ):
								print(F"""{error_message} of its first two digits."""  )
								return False

				if not luhn_validation(a__  ):
								print(F"""{error_message} it fails the Luhn check."""  )
								return False

				print(F"""{credit_card_number} is a valid credit card number."""  )
				return True


if __name__ == "__main__":
					import doctest

					doctest.testmod()
					validate_credit_card_number('4111111111111111')
					validate_credit_card_number('32323')

from collections import OrderedDict
from typing import Mapping

from packaging import version

from ...configuration_utils import PretrainedConfig
from ...onnx import OnnxConfig
from ...utils import logging


A     :	List[str]    = logging.get_logger(__name__)

A     :	Optional[int]    = {
    'facebook/levit-128S': 'https://huggingface.co/facebook/levit-128S/resolve/main/config.json',
    # See all LeViT models at https://huggingface.co/models?filter=levit
}







class 			__A( a			):
				snake_case_						   =    '''levit'''




				def __init__(     self		,     _snake_case=224		,     _snake_case=3		,     _snake_case=3		,     _snake_case=2		,     _snake_case=1		,     _snake_case=16		,     _snake_case=[128, 256, 384]		,     _snake_case=[4, 8, 12]		,     _snake_case=[4, 4, 4]		,     _snake_case=[16, 16, 16]		,     _snake_case=0		,     _snake_case=[2, 2, 2]		,     _snake_case=[2, 2, 2]		,     _snake_case=0.02		,     **_snake_case		,     )    ->      Optional[Any]:


								'''simple docstring'''




								super().__init__(**_snake_case				)
								__a										=    image_size
								__a										=    num_channels
								__a										=    kernel_size
								__a										=    stride
								__a										=    padding
								__a										=    hidden_sizes
								__a										=    num_attention_heads
								__a										=    depths
								__a										=    key_dim
								__a										=    drop_path_rate
								__a										=    patch_size
								__a										=    attention_ratio
								__a										=    mlp_ratio
								__a										=    initializer_range
								__a										=    [
								    ['''Subsample''', key_dim[0], hidden_sizes[0] // key_dim[0], 4, 2, 2],
								    ['''Subsample''', key_dim[0], hidden_sizes[1] // key_dim[0], 4, 2, 2],
								]







class 			__A( a			):
				snake_case_						   =    version.parse('''1.11'''			)




				@property
				def 				SCREAMING_SNAKE_CASE_		(     self				)    ->      Mapping[str, Mapping[int, str]]:


								'''simple docstring'''




								return OrderedDict(
								    [
								        ('''pixel_values''', {0: '''batch''', 1: '''num_channels''', 2: '''height''', 3: '''width'''}),
								    ]				)




				@property
				def 				SCREAMING_SNAKE_CASE_		(     self				)    ->      float:


								'''simple docstring'''




								return 1E-4