





from .balanced_parentheses import balanced_parentheses
from .stack import Stack






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






def 			lowerCamelCase__	(__lowerCamelCase		):
     if not balanced_parentheses(__lowerCamelCase		):
          raise ValueError("Mismatched parentheses"		)
     _SCREAMING_SNAKE_CASE				:		Stack[str]  			=							Stack()
     _SCREAMING_SNAKE_CASE				:		int  			=							[]
     for char in expression_str:
          if char.isalpha() or char.isdigit():
               postfix.append(__lowerCamelCase		)
          elif char == "(":
               stack.push(__lowerCamelCase		)
          elif char == ")":
               while not stack.is_empty() and stack.peek() != "(":
                    postfix.append(stack.pop()		)
               stack.pop()
          else:
               while not stack.is_empty() and precedence(__lowerCamelCase		) <= precedence(stack.peek()		):
                    postfix.append(stack.pop()		)
               stack.push(__lowerCamelCase		)
     while not stack.is_empty():
          postfix.append(stack.pop()		)
     return " ".join(__lowerCamelCase		)


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

       testmod()
       UpperCamelCase__          ='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))
lowerCamelCase__   = '''
# Transformers installation
! pip install transformers datasets
# To install from source instead of the last release, comment the command above and uncomment the following one.
# ! pip install git+https://github.com/huggingface/transformers.git
'''

lowerCamelCase__   = [{'''type''': '''code''', '''content''': INSTALL_CONTENT}]
lowerCamelCase__   = {
    '''{processor_class}''': '''FakeProcessorClass''',
    '''{model_class}''': '''FakeModelClass''',
    '''{object_class}''': '''FakeObjectClass''',
}




