
class 							UpperCAmelCase   :




	'''simple docstring'''





	def __init__( self      :				int							,A      :				int				):
					__A         =				data
					__A         =				42
					__A         =				42





def 		UpperCAmelCase    (			a_		)	->			None:







				"""simple docstring"""



				__A         =				0
				__A         =				x


def 		UpperCAmelCase    (			a_	,     a_		)	->			None:







				"""simple docstring"""



				__A    ,							__A         =				find_set(a_		), find_set(a_		)
				if x == y:
								return

				elif x.rank > y.rank:
								__A         =				x
				else:
								__A         =				y
								if x.rank == y.rank:
												y.rank += 1


def 		UpperCAmelCase    (			a_		)	->			Node:







				"""simple docstring"""



				if x != x.parent:
								__A         =				find_set(x.parent		)
				return x.parent


def 		UpperCAmelCase    (			a_		)	->			set:







				"""simple docstring"""



				__A         =				({0, 1, 2}, {3, 4, 5})
				for s in sets:
								if node.data in s:
												return s
				__A         =				F'''{node.data} is not in {sets}'''
				raise ValueError(a_		)


def 		UpperCAmelCase    (			)	->			None:







				"""simple docstring"""



				__A         =				[Node(a_		) for i in range(6		)]
				for v in vertex:
								make_set(a_		)

				union_set(vertex[0]	,     vertex[1]		)
				union_set(vertex[1]	,     vertex[2]		)
				union_set(vertex[3]	,     vertex[4]		)
				union_set(vertex[3]	,     vertex[5]		)

				for nodea in vertex:
								for nodea in vertex:
												if find_python_set(a_		).isdisjoint(find_python_set(a_		)		):
																assert find_set(a_		) != find_set(a_		)
												else:
																assert find_set(a_		) == find_set(a_		)


if __name__ == "__main__":
	test_disjoint_set()


from datetime import date

import requests

SCREAMING_SNAKE_CASE							:str											=       'https://api.carbonintensity.org.uk/intensity'


def 		UpperCAmelCase    (			)	->			str:







				"""simple docstring"""



				__A         =				requests.get(a_		).json()["data"][0]
				return last_half_hour["intensity"]["actual"]


def 		UpperCAmelCase    (			a_	,     a_		)	->			list:







				"""simple docstring"""



				return requests.get(F'''{BASE_URL}/{start}/{end}'''		).json()["data"]


if __name__ == "__main__":
					for entry in fetch_from_to(start=date(2020, 10, 1), end=date(2020, 10, 3)):
										print('from {from} to {to}: {intensity[actual]}'.format(**entry))
					print(f'''{fetch_last_half_hour() = }''')
