

"""simple docstring"""




from __future__ import annotations

from typing import Generic, TypeVar

A_							:     Optional[int]     =	TypeVar("T")





class 				lowerCamelCase  (A__     ):
			pass





class 				lowerCamelCase  (A__     ):
			pass





class 				lowerCamelCase  (Generic[T]     ):

			def __init__(   self			:  Optional[int]      ,			__UpperCAmelCase			:  int = 1_0    )				->      Optional[int]:
						SCREAMING_SNAKE_CASE__									= []
						SCREAMING_SNAKE_CASE__									= limit

			def __bool__(   self			:  Union[str, Any]    )				->      bool:
						return bool(self.stack    )

			def __str__(   self			:  int    )				->      str:
						return str(self.stack    )

			def    SCREAMING_SNAKE_CASE			(   self			:  Any      ,			__UpperCAmelCase			:  T    )				->      None:
						if len(self.stack    ) >= self.limit:
									raise StackOverflowError
						self.stack.append(__UpperCAmelCase    )

			def    SCREAMING_SNAKE_CASE			(   self			:  str    )				->      T:
						if not self.stack:
									raise StackUnderflowError
						return self.stack.pop()

			def    SCREAMING_SNAKE_CASE			(   self			:  Optional[int]    )				->      T:
						if not self.stack:
									raise StackUnderflowError
						return self.stack[-1]

			def    SCREAMING_SNAKE_CASE			(   self			:  Dict    )				->      bool:
						return not bool(self.stack    )

			def    SCREAMING_SNAKE_CASE			(   self			:  List[Any]    )				->      bool:
						return self.size() == self.limit

			def    SCREAMING_SNAKE_CASE			(   self			:  List[str]    )				->      int:
						return len(self.stack    )





			def __contains__(   self			:  Union[str, Any]      ,			__UpperCAmelCase			:  T    )				->      bool:
						return item in self.stack

def 		A    (       ):




			'''simple docstring'''


			SCREAMING_SNAKE_CASE__									= Stack(10      )
			assert bool(snake_case__      ) is False
			assert stack.is_empty() is True
			assert stack.is_full() is False
			assert str(snake_case__      ) == "[]"

			try:
						SCREAMING_SNAKE_CASE__									= stack.pop()
						raise AssertionError  # This should not happen
			except StackUnderflowError:
						assert True  # This should happen

			try:
						SCREAMING_SNAKE_CASE__									= stack.peek()
						raise AssertionError  # This should not happen
			except StackUnderflowError:
						assert True  # This should happen

			for i in range(10      ):
						assert stack.size() == i
						stack.push(snake_case__      )

			assert bool(snake_case__      )
			assert not stack.is_empty()
			assert stack.is_full()
			assert str(snake_case__      ) == str(list(range(10      )      )      )
			assert stack.pop() == 9
			assert stack.peek() == 8

			stack.push(1_00      )
			assert str(snake_case__      ) == str([0, 1, 2, 3, 4, 5, 6, 7, 8, 1_00]      )

			try:
						stack.push(2_00      )
						raise AssertionError  # This should not happen
			except StackOverflowError:
						assert True  # This should happen

			assert not stack.is_empty()
			assert stack.size() == 10

			assert 5 in stack
			assert 55 not in stack


if __name__ == "__main__":
						test_stack()






"""simple docstring"""




import importlib.metadata
import subprocess
import sys

def 		A    (       snake_case__ = False      ):




			'''simple docstring'''


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

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


