




'''simple docstring'''


import importlib.metadata
import subprocess
import sys



def    _SCREAMING_SNAKE_CASE    (			UpperCamelCase__						:				bool = False							):




     """simple docstring"""


     a_    :       List[Any]    	=     False
     if "IPython" in sys.modules:
          a_    :       List[Any]    	=     """google.colab""" in str(sys.modules["""IPython"""].get_ipython()							)

     if in_colab:
          if upgrade:
               a_    :       Dict    	=     ["""pip""", """install""", """-U""", """torch"""]
               subprocess.run(UpperCamelCase__   ,						check=UpperCamelCase__							)
          # get the current version of torch
          a_    :       List[Any]    	=     importlib.metadata.version("""torch"""							)
          a_    :       Any    	=     torch_version[: torch_version.rindex("""."""							)]
          a_    :       List[str]    	=     F"https://storage.googleapis.com/tpu-pytorch/wheels/colab/torch_xla-{torch_version_trunc}-cp37-cp37m-linux_x86_64.whl"
          a_    :       Tuple    	=     ["""pip""", """install""", xla_wheel]
          subprocess.run(UpperCamelCase__   ,						check=UpperCamelCase__							)
     else:
          raise RuntimeError("""`install_xla` utility works only on google colab."""							)






'''simple docstring'''


from .stack import Stack



def    _SCREAMING_SNAKE_CASE    (			UpperCamelCase__						:				str							):




     """simple docstring"""


     a_    :       Stack[str]    	=     Stack()
     a_    :       Tuple    	=     {"""(""": """)""", """[""": """]""", """{""": """}"""}
     for bracket in parentheses:
          if bracket in bracket_pairs:
               stack.push(UpperCamelCase__							)
          elif bracket in (")", "]", "}"):
               if stack.is_empty() or bracket_pairs[stack.pop()] != bracket:
                    return False
     return stack.is_empty()


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

 testmod()

 lowerCAmelCase_			:     Any							    =     ['((()))', '((())', '(()))']
 print('Balanced parentheses demonstration:\n')
 for example in examples:
  lowerCAmelCase_			:     Optional[Any]							    =     '' if balanced_parentheses(example) else 'not '
  print(f"{example} is {not_str}balanced")
