

"""simple docstring"""





from typing import TYPE_CHECKING

from ...utils import OptionalDependencyNotAvailable, _LazyModule, is_sentencepiece_available, is_tokenizers_available


__UpperCamelCase						:   Optional[Any]							   =	{}

try:
							if not is_sentencepiece_available():
														raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
							pass
else:
							__UpperCamelCase						:   Tuple							   =	['''MBart50Tokenizer''']

try:
							if not is_tokenizers_available():
														raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
							pass
else:
							__UpperCamelCase						:   List[str]							   =	['''MBart50TokenizerFast''']


if TYPE_CHECKING:
							try:
														if not is_sentencepiece_available():
																					raise OptionalDependencyNotAvailable()
							except OptionalDependencyNotAvailable:
														pass
							else:
														from .tokenization_mbartaa import MBartaaTokenizer

							try:
														if not is_tokenizers_available():
																					raise OptionalDependencyNotAvailable()
							except OptionalDependencyNotAvailable:
														pass
							else:
														from .tokenization_mbartaa_fast import MBartaaTokenizerFast

else:
							import sys

							__UpperCamelCase						:   Union[str, Any]							   =	_LazyModule(__name__, globals()['''__file__'''], _import_structure, module_spec=__spec__)







"""simple docstring"""





class        SCREAMING_SNAKE_CASE      :






					"""simple docstring"""



					def __init__( self    :       List[Any]	):
						lowerCAmelCase__			:		List[str]						       =			[0, 1]







					def  __lowerCAmelCase				( self    :       str     ,lowercase_    :       int	):
						if (difference := index - (len(self.sequence	) - 2)) >= 1:
							for _ in range(lowercase_	):
								self.sequence.append(self.sequence[-1] + self.sequence[-2]	)
						return self.sequence[:index]

def 						__SCREAMING_SNAKE_CASE						(   ):
	print(
	    '''Fibonacci Series Using Dynamic Programming\n'''		,  '''Enter the index of the Fibonacci number you want to calculate '''		,  '''in the prompt below. (To exit enter exit or Ctrl-C)\n'''		,  sep=''''''		,  )
	lowerCAmelCase__			:		Optional[int]						       =			Fibonacci()

	while True:
		lowerCAmelCase__			:		str						       =			input('''>> '''				)
		if prompt in {"exit", "quit"}:
			break

		try:
			lowerCAmelCase__			:		int						       =			int(A_				)
		except ValueError:
			print('''Enter a number or \'exit\''''				)
			continue

		print(fibonacci.get(A_				)				)


if __name__ == "__main__":
							main()




