






class 					a_:



     """simple docstring"""



     def __init__(						self			:					Any       ,       lowerCAmelCase__			:					int)    ->					None:

      """simple docstring"""
      SCREAMING_SNAKE_CASE							  =						data
      SCREAMING_SNAKE_CASE							  =						4_2
      SCREAMING_SNAKE_CASE							  =						4_2





def 		A_			(		lowercase_	)							->Optional[int]:







 """simple docstring"""

 SCREAMING_SNAKE_CASE							  =						0
 SCREAMING_SNAKE_CASE							  =						x





def 		A_			(		lowercase_					,       lowercase_	)							->Optional[int]:







 """simple docstring"""

 SCREAMING_SNAKE_CASE  , SCREAMING_SNAKE_CASE							  =						find_set(A_	), find_set(A_	)
 if x == y:
  return

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





def 		A_			(		lowercase_	)							->Any:







 """simple docstring"""

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





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







 """simple docstring"""

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





def 		A_			(		)							->int:







 """simple docstring"""

 SCREAMING_SNAKE_CASE							  =						[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

__UpperCAmelCase      				=							"https://api.carbonintensity.org.uk/intensity"





def 		A_			(		)							->str:







 """simple docstring"""

 SCREAMING_SNAKE_CASE							  =						requests.get(lowercase_	).json()['data'][0]
 return last_half_hour["intensity"]["actual"]





def 		A_			(		lowercase_					,       lowercase_	)							->list:







 """simple docstring"""

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


if __name__ == "__main__":
      for entry in fetch_from_to(start=date(2_0_2_0, 1_0, 1), end=date(2_0_2_0, 1_0, 3)):
            print("from {from} to {to}: {intensity[actual]}".format(**entry))
      print(f'{fetch_last_half_hour() = }')




