"""simple docstring"""





def 				a_     (      _lowerCAmelCase  : int     ):





       '''simple docstring'''

       lowercase__			:		Optional[int]       =	[]
       lowercase__			:		Optional[Any]       =	set({'(', '[', '{'}     )
       lowercase__			:		List[str]       =	set({')', ']', '}'}     )
       lowercase__			:		Optional[int]       =	{'{': '}', '[': ']', '(': ')'}

       for i in range(len(_lowerCAmelCase     )     ):
              if s[i] in open_brackets:
                     stack.append(s[i]     )

              elif s[i] in closed_brackets and (
                  len(_lowerCAmelCase     ) == 0 or (len(_lowerCAmelCase     ) > 0 and open_to_closed[stack.pop()] != s[i])
              ):
                     return False

       return len(_lowerCAmelCase     ) == 0





def 				a_     (      ):





       '''simple docstring'''

       lowercase__			:		List[Any]       =	input('Enter sequence of brackets: '     )
       if is_balanced(_lowerCAmelCase     ):
              print(_lowerCAmelCase   , 'is balanced'     )
       else:
              print(_lowerCAmelCase   , 'is not balanced'     )


if __name__ == "__main__":
       main()








"""simple docstring"""
import pytest

from datasets.splits import SplitDict, SplitInfo
from datasets.utils.py_utils import asdict



@pytest.mark.parametrize(
    '''split_dict''' ,   [
        SplitDict(),
        SplitDict({'''train''': SplitInfo(name='''train''' ,   num_bytes=13_37 ,   num_examples=42 ,   dataset_name='''my_dataset'''							)}							),
        SplitDict({'''train''': SplitInfo(name='''train''' ,   num_bytes=13_37 ,   num_examples=42							)}							),
        SplitDict({'''train''': SplitInfo()}							),
    ] ,   )
def      __lowerCamelCase   (							a_     :		SplitDict							)			->      Optional[int]:
      __SCREAMING_SNAKE_CASE   :Tuple						=  split_dict._to_yaml_list()
      assert len(a_							) == len(a_							)
      __SCREAMING_SNAKE_CASE   :Union[str, Any]						=  SplitDict._from_yaml_list(a_							)
      for split_name, split_info in split_dict.items():
            # dataset_name field is deprecated, and is therefore not part of the YAML dump
            __SCREAMING_SNAKE_CASE   :int						=  None
            # the split name of split_dict takes over the name of the split info object
            __SCREAMING_SNAKE_CASE   :Union[str, Any]						=  split_name
      assert split_dict == reloaded







@pytest.mark.parametrize(
    '''split_info''' ,   [SplitInfo(), SplitInfo(dataset_name=a_							), SplitInfo(dataset_name='''my_dataset'''							)]							)
def      __lowerCamelCase   (							a_     :		Dict							)			->      Any:
      # For backward compatibility, we need asdict(split_dict) to return split info dictrionaries with the "dataset_name"
      # field even if it's deprecated. This way old versionso of `datasets` can still reload dataset_infos.json files
      __SCREAMING_SNAKE_CASE   :Union[str, Any]						=  asdict(SplitDict({'''train''': split_info}							)							)
      assert "dataset_name" in split_dict_asdict["train"]
      assert split_dict_asdict["train"]["dataset_name"] == split_info.dataset_name