






"""simple docstring"""




from .balanced_parentheses import balanced_parentheses
from .stack import Stack

def     lowerCAmelCase__  (  UpperCamelCase__       ):



  '''simple docstring'''
  return {"+": 1, "-": 1, "*": 2, "/": 2, "^": 3}.get(UpperCamelCase__  ,     -1       )

def     lowerCAmelCase__  (  UpperCamelCase__       ):



  '''simple docstring'''
  if not balanced_parentheses(UpperCamelCase__       ):
    raise ValueError("""Mismatched parentheses"""       )
  _a						: Stack[str]    =			Stack()
  _a						: Optional[int]    =			[]
  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()
 _snake_case					   =     '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))









"""simple docstring"""




import json
import logging
import os
import subprocess
from argparse import ArgumentParser


_snake_case					   =     logging.getLogger(__name__)

def     lowerCAmelCase__  (  ):



  '''simple docstring'''
  _a						: Any    =			ArgumentParser()
  _a   ,						_a						: str    =			parser.parse_known_args()
  for arg in unknown:
    if arg.startswith(("""-""", """--""")       ):
      parser.add_argument(arg.split("""="""       )[0]       )

  return parser.parse_args()

def     lowerCAmelCase__  (  ):



  '''simple docstring'''
  _a						: Optional[Any]    =			parse_args()
  _a						: Any    =			8_8_8_8
  _a						: List[str]    =			int(os.environ["""SM_NUM_GPUS"""]       )
  _a						: Union[str, Any]    =			json.loads(os.environ["""SM_HOSTS"""]       )
  _a						: Tuple    =			len(UpperCamelCase__       )
  _a						: Optional[int]    =			os.environ["""SM_CURRENT_HOST"""]
  _a						: Optional[Any]    =			hosts.index(UpperCamelCase__       )
  _a						: List[str]    =			"""INFO"""

  if num_nodes > 1:
    _a						: int    =			F"""python -m torch.distributed.launch \
                --nnodes={num_nodes}  \
                --node_rank={rank}  \
                --nproc_per_node={num_gpus}  \
                --master_addr={hosts[0]}  \
                --master_port={port} \
                ./run_glue.py \
                {''.join(['nested fstring' for parameter,value in args.__dict__.items()]       )}"""
  else:
    _a						: Any    =			F"""python -m torch.distributed.launch \
            --nproc_per_node={num_gpus}  \
            ./run_glue.py \
            {''.join(['nested fstring' for parameter,value in args.__dict__.items()]       )}"""
  try:
    subprocess.run(UpperCamelCase__  ,     shell=UpperCamelCase__       )
  except Exception as e:
    logger.info(UpperCamelCase__       )


if __name__ == "__main__":
 main()

