





"""simple docstring"""





from .balanced_parentheses import balanced_parentheses
from .stack import Stack




def 		lowerCAmelCase_	(  lowercase_   :							Any		):

 '''simple docstring'''






 return {"+": 1, "-": 1, "*": 2, "/": 2, "^": 3}.get(__UpperCAmelCase ,      -1		)




def 		lowerCAmelCase_	(  lowercase_   :							Tuple		):

 '''simple docstring'''






 if not balanced_parentheses(__UpperCAmelCase		):
  raise ValueError('''Mismatched parentheses'''		)
 __SCREAMING_SNAKE_CASE :			Dict												=       Stack()
 __SCREAMING_SNAKE_CASE :			Union[str, Any]												=       []
 for char in expression_str:
  if char.isalpha() or char.isdigit():
   postfix.append(__UpperCAmelCase		)
  elif char == "(":
   stack.push(__UpperCAmelCase		)
  elif char == ")":
   while not stack.is_empty() and stack.peek() != "(":
    postfix.append(stack.pop()		)
   stack.pop()
  else:
   while not stack.is_empty() and precedence(__UpperCAmelCase		) <= precedence(stack.peek()		):
    postfix.append(stack.pop()		)
   stack.push(__UpperCAmelCase		)
 while not stack.is_empty():
  postfix.append(stack.pop()		)
 return " ".join(__UpperCAmelCase		)


if __name__ == "__main__":
    from doctest import testmod

    testmod()
    _lowerCamelCase       =	'''a+b*(c^d-e)^(f+g*h)-i'''

    print('''Infix to Postfix Notation demonstration:\n''')
    print('''Infix notation: ''' + expression)
    print('''Postfix notation: ''' + infix_to_postfix(expression))






from typing import TYPE_CHECKING

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


UpperCamelCase_	       =   {"configuration_vit_hybrid": ["VIT_HYBRID_PRETRAINED_CONFIG_ARCHIVE_MAP", "ViTHybridConfig"]}

try:
							if not is_torch_available():
														raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
							pass
else:
							UpperCamelCase_	       =   [
							    "VIT_HYBRID_PRETRAINED_MODEL_ARCHIVE_LIST",
							    "ViTHybridForImageClassification",
							    "ViTHybridModel",
							    "ViTHybridPreTrainedModel",
							]

try:
							if not is_vision_available():
														raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
							pass
else:
							UpperCamelCase_	       =   ["ViTHybridImageProcessor"]


if TYPE_CHECKING:
							from .configuration_vit_hybrid import VIT_HYBRID_PRETRAINED_CONFIG_ARCHIVE_MAP, ViTHybridConfig

							try:
														if not is_torch_available():
																					raise OptionalDependencyNotAvailable()
							except OptionalDependencyNotAvailable:
														pass
							else:
														from .modeling_vit_hybrid import (
														    VIT_HYBRID_PRETRAINED_MODEL_ARCHIVE_LIST,
														    ViTHybridForImageClassification,
														    ViTHybridModel,
														    ViTHybridPreTrainedModel,
														)

							try:
														if not is_vision_available():
																					raise OptionalDependencyNotAvailable()
							except OptionalDependencyNotAvailable:
														pass
							else:
														from .image_processing_vit_hybrid import ViTHybridImageProcessor


else:
							import sys

							UpperCamelCase_	       =   _LazyModule(__name__, globals()["__file__"], _import_structure, module_spec=__spec__)





