

"""simple docstring"""






from typing import TYPE_CHECKING

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


snake_case_   :   Tuple        =       {
    """configuration_roc_bert""": ["""ROC_BERT_PRETRAINED_CONFIG_ARCHIVE_MAP""", """RoCBertConfig"""],
    """tokenization_roc_bert""": ["""RoCBertTokenizer"""],
}

try:
	if not is_tokenizers_available():
		raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
	pass
else:
	pass

try:
	if not is_torch_available():
		raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
	pass
else:
	snake_case_   :   List[Any]        =       [
	    """ROC_BERT_PRETRAINED_MODEL_ARCHIVE_LIST""",
	    """RoCBertForCausalLM""",
	    """RoCBertForMaskedLM""",
	    """RoCBertForMultipleChoice""",
	    """RoCBertForPreTraining""",
	    """RoCBertForQuestionAnswering""",
	    """RoCBertForSequenceClassification""",
	    """RoCBertForTokenClassification""",
	    """RoCBertLayer""",
	    """RoCBertModel""",
	    """RoCBertPreTrainedModel""",
	    """load_tf_weights_in_roc_bert""",
	]

if TYPE_CHECKING:
	from .configuration_roc_bert import ROC_BERT_PRETRAINED_CONFIG_ARCHIVE_MAP, RoCBertConfig
	from .tokenization_roc_bert import RoCBertTokenizer

	try:
		if not is_tokenizers_available():
			raise OptionalDependencyNotAvailable()
	except OptionalDependencyNotAvailable:
		pass
	else:
		raise OptionalDependencyNotAvailable()

	try:
		if not is_torch_available():
			raise OptionalDependencyNotAvailable()
	except OptionalDependencyNotAvailable:
		pass
	else:
		from .modeling_roc_bert import (
		    ROC_BERT_PRETRAINED_MODEL_ARCHIVE_LIST,
		    RoCBertForCausalLM,
		    RoCBertForMaskedLM,
		    RoCBertForMultipleChoice,
		    RoCBertForPreTraining,
		    RoCBertForQuestionAnswering,
		    RoCBertForSequenceClassification,
		    RoCBertForTokenClassification,
		    RoCBertLayer,
		    RoCBertModel,
		    RoCBertPreTrainedModel,
		    load_tf_weights_in_roc_bert,
		)


else:
	import sys

	snake_case_   :   Tuple        =       _LazyModule(__name__, globals()["""__file__"""], _import_structure, module_spec=__spec__)








"""simple docstring"""






def   lowercase_	(    _lowercase       :		str	):




					'''simple docstring'''






					if not all(x.isalpha() for x in string	):
										raise ValueError("String must only contain alphabetic characters."	)

					UpperCAmelCase			:   Optional[int]      =				sorted(string.lower()	)
					return len(_lowercase	) == len(set(_lowercase	)	)


if __name__ == "__main__":
	snake_case_   :   Tuple        =       input("""Enter a string """).strip()

	snake_case_   :   str        =       is_isogram(input_str)
	print(f'''{input_str} is {"an" if isogram else "not an"} isogram.''')


