
'''simple docstring'''







import unittest
from dataclasses import dataclass
from typing import Optional

from transformers.utils import ModelOutput


@dataclass
class       lowerCAmelCase			(					__UpperCAmelCase      ):
		a				:       float
		a				:       Optional[float]							=       None
		a				:       Optional[float]							=       None


class       lowerCAmelCase			(					unittest.TestCase      ):




		def      lowercase							(					self   ):
								_SCREAMING_SNAKE_CASE					=			ModelOutputTest(a=30   )
								self.assertEqual(x.a       ,    30   )
								self.assertIsNone(x.b   )
								self.assertIsNone(x.c   )
								with self.assertRaises(UpperCamelCase   ):
														_SCREAMING_SNAKE_CASE					=			x.d




		def      lowercase							(					self   ):
								_SCREAMING_SNAKE_CASE					=			ModelOutputTest(a=30       ,    b=10   )
								self.assertEqual(x[0]       ,    30   )
								self.assertEqual(x[1]       ,    10   )
								self.assertEqual(x[:2]       ,    (30, 10)   )
								self.assertEqual(x[:]       ,    (30, 10)   )

								_SCREAMING_SNAKE_CASE					=			ModelOutputTest(a=30       ,    c=10   )
								self.assertEqual(x[0]       ,    30   )
								self.assertEqual(x[1]       ,    10   )
								self.assertEqual(x[:2]       ,    (30, 10)   )
								self.assertEqual(x[:]       ,    (30, 10)   )




		def      lowercase							(					self   ):
								_SCREAMING_SNAKE_CASE					=			ModelOutputTest(a=30       ,    b=10   )
								self.assertEqual(x["a"]       ,    30   )
								self.assertEqual(x["b"]       ,    10   )
								with self.assertRaises(UpperCamelCase   ):
														_SCREAMING_SNAKE_CASE					=			x["c"]

								_SCREAMING_SNAKE_CASE					=			ModelOutputTest(a=30       ,    c=10   )
								self.assertEqual(x["a"]       ,    30   )
								self.assertEqual(x["c"]       ,    10   )
								with self.assertRaises(UpperCamelCase   ):
														_SCREAMING_SNAKE_CASE					=			x["b"]




		def      lowercase							(					self   ):
								_SCREAMING_SNAKE_CASE					=			ModelOutputTest(a=30   )
								self.assertEqual(list(x.keys()   )       ,    ["a"]   )
								self.assertEqual(list(x.values()   )       ,    [30]   )
								self.assertEqual(list(x.items()   )       ,    [("a", 30)]   )
								self.assertEqual(list(UpperCamelCase   )       ,    ["a"]   )

								_SCREAMING_SNAKE_CASE					=			ModelOutputTest(a=30       ,    b=10   )
								self.assertEqual(list(x.keys()   )       ,    ["a", "b"]   )
								self.assertEqual(list(x.values()   )       ,    [30, 10]   )
								self.assertEqual(list(x.items()   )       ,    [("a", 30), ("b", 10)]   )
								self.assertEqual(list(UpperCamelCase   )       ,    ["a", "b"]   )

								_SCREAMING_SNAKE_CASE					=			ModelOutputTest(a=30       ,    c=10   )
								self.assertEqual(list(x.keys()   )       ,    ["a", "c"]   )
								self.assertEqual(list(x.values()   )       ,    [30, 10]   )
								self.assertEqual(list(x.items()   )       ,    [("a", 30), ("c", 10)]   )
								self.assertEqual(list(UpperCamelCase   )       ,    ["a", "c"]   )

								with self.assertRaises(UpperCamelCase   ):
														_SCREAMING_SNAKE_CASE					=			x.update({"d": 20}   )
								with self.assertRaises(UpperCamelCase   ):
														del x["a"]
								with self.assertRaises(UpperCamelCase   ):
														_SCREAMING_SNAKE_CASE					=			x.pop("a"   )
								with self.assertRaises(UpperCamelCase   ):
														_SCREAMING_SNAKE_CASE					=			x.setdefault("d"       ,    32   )




		def      lowercase							(					self   ):
								_SCREAMING_SNAKE_CASE					=			ModelOutputTest(a=30   )
								_SCREAMING_SNAKE_CASE					=			10
								self.assertEqual(x.a       ,    10   )
								self.assertEqual(x["a"]       ,    10   )




		def      lowercase							(					self   ):
								_SCREAMING_SNAKE_CASE					=			ModelOutputTest(a=30   )
								_SCREAMING_SNAKE_CASE					=			10
								self.assertEqual(x.a       ,    10   )
								self.assertEqual(x["a"]       ,    10   )




		def      lowercase							(					self   ):
								_SCREAMING_SNAKE_CASE					=			ModelOutputTest({"a": 30, "b": 10}   )
								self.assertEqual(list(x.keys()   )       ,    ["a", "b"]   )
								self.assertEqual(x.a       ,    30   )
								self.assertEqual(x.b       ,    10   )




		def      lowercase							(					self   ):
								_SCREAMING_SNAKE_CASE					=			ModelOutputTest([("a", 30), ("b", 10)]   )
								self.assertEqual(list(x.keys()   )       ,    ["a", "b"]   )
								self.assertEqual(x.a       ,    30   )
								self.assertEqual(x.b       ,    10   )

								with self.assertRaises(UpperCamelCase   ):
														_SCREAMING_SNAKE_CASE					=			ModelOutputTest([("a", 30), (10, 10)]   )

								_SCREAMING_SNAKE_CASE					=			ModelOutputTest(a=(30, 30)   )
								self.assertEqual(list(x.keys()   )       ,    ["a"]   )
								self.assertEqual(x.a       ,    (30, 30)   )

'''simple docstring'''







class       lowerCAmelCase			:




		def __init__(					self       ,    UpperCamelCase=None   ):
								_SCREAMING_SNAKE_CASE					=			data
								_SCREAMING_SNAKE_CASE					=			None




		def __repr__(					self   ):
								_SCREAMING_SNAKE_CASE					=			""
								_SCREAMING_SNAKE_CASE					=			self
								while temp:
														string_rep += F'<{temp.data}> ---> '
														_SCREAMING_SNAKE_CASE					=			temp.next
								string_rep += "<END>"
								return string_rep



def       _a		(						_SCREAMING_SNAKE_CASE		: Any	):

						# if elements_list is empty
						if not elements_list:
												raise Exception("The Elements List is empty"	)

						# Set first element as Head
						_SCREAMING_SNAKE_CASE					=			Node(elements_list[0]	)
						_SCREAMING_SNAKE_CASE					=			head
						# Loop through elements from position 1
						for data in elements_list[1:]:
												_SCREAMING_SNAKE_CASE					=			Node(_SCREAMING_SNAKE_CASE	)
												_SCREAMING_SNAKE_CASE					=			current.next
						return head


_snake_case					: List[Any]     			=					[1, 3, 5, 32, 44, 12, 43]
print(F"List: {list_data}")
print("""Creating Linked List from List.""")
_snake_case					: List[Any]     			=					make_linked_list(list_data)
print("""Linked List:""")




print(linked_list)