code: 
  
  
  
  
  
  
  import unittest
  from dataclasses import dataclass
  from typing import Optional
  
  from transformers.utils import ModelOutput
  
  
  
  
  
  
  
  @dataclass
  class 							UpperCAmelCase_     (		__lowerCamelCase		):
       __lowerCamelCase										=     42
       __lowerCamelCase										=     None
       __lowerCamelCase										=     None
  
  
  
  
  
  
  
  class 							UpperCAmelCase_     (		unittest.TestCase		):
  
  
  
  
       def      __UpperCAmelCase     (							self		):
            UpperCAmelCase__			:     Optional[int]										= ModelOutputTest(a=30		)
            self.assertEqual(x.a  ,	30		)
            self.assertIsNone(x.b		)
            self.assertIsNone(x.c		)
            with self.assertRaises(_lowerCAmelCase		):
                 UpperCAmelCase__			:     Optional[int]										= x.d
  
  
  
  
       def      __UpperCAmelCase     (							self		):
            UpperCAmelCase__			:     Optional[int]										= 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)		)
  
            UpperCAmelCase__			:     str										= 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      __UpperCAmelCase     (							self		):
            UpperCAmelCase__			:     List[Any]										= ModelOutputTest(a=30  ,	b=10		)
            self.assertEqual(x["""a"""]  ,	30		)
            self.assertEqual(x["""b"""]  ,	10		)
            with self.assertRaises(_lowerCAmelCase		):
                 UpperCAmelCase__			:     Tuple										= x["""c"""]
  
            UpperCAmelCase__			:     List[str]										= ModelOutputTest(a=30  ,	c=10		)
            self.assertEqual(x["""a"""]  ,	30		)
            self.assertEqual(x["""c"""]  ,	10		)
            with self.assertRaises(_lowerCAmelCase		):
                 UpperCAmelCase__			:     Union[str, Any]										= x["""b"""]
  
  
  
  
       def      __UpperCAmelCase     (							self		):
            UpperCAmelCase__			:     List[Any]										= 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(_lowerCAmelCase		)  ,	["""a"""]		)
  
            UpperCAmelCase__			:     Dict										= 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(_lowerCAmelCase		)  ,	["""a""", """b"""]		)
  
            UpperCAmelCase__			:     List[str]										= 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(_lowerCAmelCase		)  ,	["""a""", """c"""]		)
  
            with self.assertRaises(_lowerCAmelCase		):
                 UpperCAmelCase__			:     Optional[Any]										= x.update({"""d""": 20}		)
            with self.assertRaises(_lowerCAmelCase		):
                 del x["a"]
            with self.assertRaises(_lowerCAmelCase		):
                 UpperCAmelCase__			:     str										= x.pop("""a"""		)
            with self.assertRaises(_lowerCAmelCase		):
                 UpperCAmelCase__			:     int										= x.setdefault("""d"""  ,	32		)
  
  
  
  
       def      __UpperCAmelCase     (							self		):
            UpperCAmelCase__			:     str										= ModelOutputTest(a=30		)
            UpperCAmelCase__			:     Dict										= 10
            self.assertEqual(x.a  ,	10		)
            self.assertEqual(x["""a"""]  ,	10		)
  
  
  
  
       def      __UpperCAmelCase     (							self		):
            UpperCAmelCase__			:     Optional[int]										= ModelOutputTest(a=30		)
            UpperCAmelCase__			:     str										= 10
            self.assertEqual(x.a  ,	10		)
            self.assertEqual(x["""a"""]  ,	10		)
  
  
  
  
       def      __UpperCAmelCase     (							self		):
            UpperCAmelCase__			:     int										= ModelOutputTest({"""a""": 30, """b""": 10}		)
            self.assertEqual(list(x.keys()		)  ,	["""a""", """b"""]		)
            self.assertEqual(x.a  ,	30		)
            self.assertEqual(x.b  ,	10		)
  
  
  
  
       def      __UpperCAmelCase     (							self		):
            UpperCAmelCase__			:     str										= 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(_lowerCAmelCase		):
                 UpperCAmelCase__			:     str										= ModelOutputTest([("""a""", 30), (10, 10)]		)
  
            UpperCAmelCase__			:     Tuple										= ModelOutputTest(a=(30, 30)		)
            self.assertEqual(list(x.keys()		)  ,	["""a"""]		)
            self.assertEqual(x.a  ,	(30, 30)		)
  
  
  
  
  
  
  
style_context: 
  
  
  
  
  
  
  from __future__ import annotations
  
  
  
  
  
  
  
  class 							UpperCAmelCase_     :
  
  
  
  
       def __init__(							self  ,	_lowerCAmelCase		):
            UpperCAmelCase__			:     List[Any]										= value
            UpperCAmelCase__			:     Node | None										= None
            UpperCAmelCase__			:     Node | None										= None
  
  
  
  
  
  
  
  class 							UpperCAmelCase_     :
       __lowerCamelCase										=     42
  
  
  
  
       def __init__(							self		):
            UpperCAmelCase__			:     Any										= 0
  
  
  
  
       def      __UpperCAmelCase     (							self  ,	_lowerCAmelCase  ,	_lowerCAmelCase		):
            if node is None:
                 return
  
            if path_sum == self.target:
                 self.paths += 1
  
            if node.left:
                 self.depth_first_search(node.left  ,	path_sum + node.left.value		)
            if node.right:
                 self.depth_first_search(node.right  ,	path_sum + node.right.value		)
  
  
  
  
       def      __UpperCAmelCase     (							self  ,	_lowerCAmelCase  ,	_lowerCAmelCase = None		):
            if node is None:
                 return 0
            if target is not None:
                 UpperCAmelCase__			:     List[Any]										= target
  
            self.depth_first_search(_lowerCAmelCase  ,	node.value		)
            self.path_sum(node.left		)
            self.path_sum(node.right		)
  
            return self.paths
  
  
  if __name__ == "__main__":
        import doctest
  
        doctest.testmod()
  
  
  
  
  
  
  