



"""simple docstring"""







from typing import TYPE_CHECKING

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


UpperCAmelCase:  Union[str, Any]			     =				{
    """configuration_donut_swin""": ["""DONUT_SWIN_PRETRAINED_CONFIG_ARCHIVE_MAP""", """DonutSwinConfig"""],
    """processing_donut""": ["""DonutProcessor"""],
}

try:
		if not is_torch_available():
				raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
		pass
else:
		UpperCAmelCase:  Tuple			     =				[
		    """DONUT_SWIN_PRETRAINED_MODEL_ARCHIVE_LIST""",
		    """DonutSwinModel""",
		    """DonutSwinPreTrainedModel""",
		]

try:
		if not is_vision_available():
				raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
		pass
else:
		UpperCAmelCase:  str			     =				["""DonutFeatureExtractor"""]
		UpperCAmelCase:  Optional[int]			     =				["""DonutImageProcessor"""]


if TYPE_CHECKING:
		from .configuration_donut_swin import DONUT_SWIN_PRETRAINED_CONFIG_ARCHIVE_MAP, DonutSwinConfig
		from .processing_donut import DonutProcessor

		try:
				if not is_torch_available():
						raise OptionalDependencyNotAvailable()
		except OptionalDependencyNotAvailable:
				pass
		else:
				from .modeling_donut_swin import (
				    DONUT_SWIN_PRETRAINED_MODEL_ARCHIVE_LIST,
				    DonutSwinModel,
				    DonutSwinPreTrainedModel,
				)

		try:
				if not is_vision_available():
						raise OptionalDependencyNotAvailable()
		except OptionalDependencyNotAvailable:
				pass
		else:
				from .feature_extraction_donut import DonutFeatureExtractor
				from .image_processing_donut import DonutImageProcessor

else:
		import sys

		UpperCAmelCase:  Optional[Any]			     =				_LazyModule(__name__, globals()["""__file__"""], _import_structure, module_spec=__spec__)





'''simple docstring'''
def     UpperCamelCase_  (						__SCREAMING_SNAKE_CASE							):
    """simple docstring"""






    if number != int(__SCREAMING_SNAKE_CASE							):
        raise ValueError("factorial() only accepts integral values"							)
    if number < 0:
        raise ValueError("factorial() not defined for negative values"							)
    snake_case_			:     int        =    1
    for i in range(1,		number + 1							):
        value *= i
    return value

def     UpperCamelCase_  (						__SCREAMING_SNAKE_CASE							):
    """simple docstring"""






    if not isinstance(__SCREAMING_SNAKE_CASE,		__SCREAMING_SNAKE_CASE							):
        raise ValueError("factorial() only accepts integral values"							)
    if n < 0:
        raise ValueError("factorial() not defined for negative values"							)
    return 1 if n == 0 or n == 1 else n * factorial(n - 1							)


if __name__ == "__main__":
  import doctest

  doctest.testmod()

  a_           =    int(input("Enter a positive integer: ").strip() or 0)
  print(f"""factorial{n} is {factorial(n)}""")




