




'''simple docstring'''

from collections import defaultdict


def 		__magic_name__    (	__UpperCAmelCase	)		->					int:

					'''simple docstring'''

					snake_case_									=				1
					snake_case_									=				True
					for v in tree[start]:
										if v not in visited:
															ret += dfs(__UpperCAmelCase	)
					if ret % 2 == 0:
										cuts.append(__UpperCAmelCase	)
					return ret


def 		__magic_name__    (	)		->					Union[str, Any]:

					'''simple docstring'''

					dfs(1	)


if __name__ == "__main__":
							a		,a  :				Dict									=  10, 9
							a  :				Dict									=  defaultdict(list)
							a  :				dict[int, bool]									=  {}
							a  :				list[int]									=  []
							a  :				Tuple									=  0
							a  :				str									=  [(2, 1), (3, 1), (4, 3), (5, 2), (6, 1), (7, 2), (8, 6), (9, 8), (10, 8)]
							for u, v in edges:
														tree[u].append(v)
														tree[v].append(u)
							even_tree()
							print(len(cuts) - 1)








import unittest

from huggingface_hub import hf_hub_download

from transformers import MODEL_FOR_VIDEO_CLASSIFICATION_MAPPING, VideoMAEFeatureExtractor
from transformers.pipelines import VideoClassificationPipeline, pipeline
from transformers.testing_utils import (
    is_pipeline_test,
    nested_simplify,
    require_decord,
    require_tf,
    require_torch,
    require_torch_or_tf,
    require_vision,
)

from .test_pipelines_common import ANY



@is_pipeline_test
@require_torch_or_tf
@require_vision
@require_decord
class 					__lowerCAmelCase       (			unittest.TestCase     ):
			lowerCamelCase_     :     Any       			=      MODEL_FOR_VIDEO_CLASSIFICATION_MAPPING






			def 			lowerCamelCase  (self					,							__magic_name__					,							__magic_name__					,							__magic_name__    )     ->   Dict:


							'''simple docstring'''



							snake_case_						:    Any				=  hf_hub_download(
							    repo_id='''nateraw/video-demo'''					,							filename='''archery.mp4'''					,							repo_type='''dataset'''    )
							snake_case_						:    List[Any]				=  VideoClassificationPipeline(model=__magic_name__					,							image_processor=__magic_name__					,							top_k=2    )
							snake_case_						:    str				=  [
							    example_video_filepath,
							    '''https://huggingface.co/datasets/nateraw/video-demo/resolve/main/archery.mp4''',
							]
							return video_classifier, examples






			def 			lowerCamelCase  (self					,							__magic_name__					,							__magic_name__    )     ->   Any:


							'''simple docstring'''



							for example in examples:
											snake_case_						:    Union[str, Any]				=  video_classifier(__magic_name__    )

											self.assertEqual(
											    __magic_name__					,							[
											        {'''score''': ANY(__magic_name__    ), '''label''': ANY(__magic_name__    )},
											        {'''score''': ANY(__magic_name__    ), '''label''': ANY(__magic_name__    )},
											    ]					,							)






			@require_torch
			def 			lowerCamelCase  (self    )     ->   str:


							'''simple docstring'''



							snake_case_						:    Any				=  '''hf-internal-testing/tiny-random-VideoMAEForVideoClassification'''
							snake_case_						:    str				=  VideoMAEFeatureExtractor(
							    size={'''shortest_edge''': 10}					,							crop_size={'''height''': 10, '''width''': 10}    )
							snake_case_						:    int				=  pipeline(
							    '''video-classification'''					,							model=__magic_name__					,							feature_extractor=__magic_name__					,							frame_sampling_rate=4    )

							snake_case_						:    List[str]				=  hf_hub_download(repo_id='''nateraw/video-demo'''					,							filename='''archery.mp4'''					,							repo_type='''dataset'''    )
							snake_case_						:    Union[str, Any]				=  video_classifier(__magic_name__					,							top_k=2    )
							self.assertEqual(
							    nested_simplify(__magic_name__					,							decimals=4    )					,							[{'''score''': 0.5_199, '''label''': '''LABEL_0'''}, {'''score''': 0.4_801, '''label''': '''LABEL_1'''}]					,							)

							snake_case_						:    int				=  video_classifier(
							    [
							        video_file_path,
							        video_file_path,
							    ]					,							top_k=2					,							)
							self.assertEqual(
							    nested_simplify(__magic_name__					,							decimals=4    )					,							[
							        [{'''score''': 0.5_199, '''label''': '''LABEL_0'''}, {'''score''': 0.4_801, '''label''': '''LABEL_1'''}],
							        [{'''score''': 0.5_199, '''label''': '''LABEL_0'''}, {'''score''': 0.4_801, '''label''': '''LABEL_1'''}],
							    ]					,							)






			@require_tf
			def 			lowerCamelCase  (self    )     ->   Optional[int]:


							'''simple docstring'''



							pass
