

from __future__ import annotations

from enum import Enum







class   __lowercase				(_UpperCAmelCase			):
 _UpperCamelCase        =  24
 _UpperCamelCase        =  21
 _UpperCamelCase        =  18
 _UpperCamelCase        =  15
 _UpperCamelCase        =  12
 _UpperCamelCase        =  9
 _UpperCamelCase        =  6
 _UpperCamelCase        =  3
 _UpperCamelCase        =  2
 _UpperCamelCase        =  1
 _UpperCamelCase        =  -1
 _UpperCamelCase        =  -2
 _UpperCamelCase        =  -3
 _UpperCamelCase        =  -6
 _UpperCamelCase        =  -9
 _UpperCamelCase        =  -12
 _UpperCamelCase        =  -15
 _UpperCamelCase        =  -18
 _UpperCamelCase        =  -21
 _UpperCamelCase        =  -24







class   __lowercase				(_UpperCAmelCase			):
 _UpperCamelCase        =  8
 _UpperCamelCase        =  7
 _UpperCamelCase        =  6
 _UpperCamelCase        =  5
 _UpperCamelCase        =  4
 _UpperCamelCase        =  3
 _UpperCamelCase        =  2
 _UpperCamelCase        =  1







def 		_lowercase			(					lowercase__       ,     lowercase__       ,     lowercase__       ,     ):
      if isinstance(lowercase__       ,     lowercase__						):
            __lowerCAmelCase :						Any = SIUnit[known_prefix.lower()]
      if isinstance(lowercase__       ,     lowercase__						):
            __lowerCAmelCase :						Dict = SIUnit[unknown_prefix.lower()]
      __lowerCAmelCase :						float = known_amount * (
          1_0 ** (known_prefix.value - unknown_prefix.value)
      )
      return unknown_amount







def 		_lowercase			(					lowercase__       ,     lowercase__       ,     lowercase__       ,     ):
      if isinstance(lowercase__       ,     lowercase__						):
            __lowerCAmelCase :						str = BinaryUnit[known_prefix.lower()]
      if isinstance(lowercase__       ,     lowercase__						):
            __lowerCAmelCase :						Optional[Any] = BinaryUnit[unknown_prefix.lower()]
      __lowerCAmelCase :						float = known_amount * (
          2 ** ((known_prefix.value - unknown_prefix.value) * 1_0)
      )
      return unknown_amount


if __name__ == "__main__":
 import doctest

 doctest.testmod()





import heapq







def 		_lowercase			(					lowercase__       ,     lowercase__       ,     lowercase__						):
      __lowerCAmelCase :						Union[str, Any] = [(0, start)]  # cost from start node,end node
      __lowerCAmelCase :						Any = set()
      while heap:
            ((__lowerCAmelCase),							(__lowerCAmelCase)) :						str = heapq.heappop(lowercase__						)
            if u in visited:
                  continue
            visited.add(lowercase__						)
            if u == end:
                  return cost
            for v, c in graph[u]:
                  if v in visited:
                        continue
                  __lowerCAmelCase :						str = cost + c
                  heapq.heappush(lowercase__       ,     (next_item, v)						)
      return -1


_UpperCamelCase			      =		{
    "A": [["B", 2], ["C", 5]],
    "B": [["A", 2], ["D", 3], ["E", 1], ["F", 1]],
    "C": [["A", 5], ["F", 3]],
    "D": [["B", 3]],
    "E": [["B", 4], ["F", 3]],
    "F": [["C", 3], ["E", 3]],
}
_UpperCamelCase			      =		{
    "B": [["C", 1]],
    "C": [["D", 1]],
    "D": [["F", 1]],
    "E": [["B", 1], ["F", 3]],
    "F": [],
}
_UpperCamelCase			      =		{
    "B": [["C", 1]],
    "C": [["D", 1]],
    "D": [["F", 1]],
    "E": [["B", 1], ["G", 2]],
    "F": [],
    "G": [["F", 1]],
}

_UpperCamelCase			      =		dijkstra(G, "E", "C")
print(short_distance)  # E -- 3 --> F -- 3 --> C == 6

_UpperCamelCase			      =		dijkstra(Ga, "E", "F")
print(short_distance)  # E -- 3 --> F == 3

_UpperCamelCase			      =		dijkstra(Ga, "E", "F")
print(short_distance)  # E -- 2 --> G -- 1 --> F == 3

if __name__ == "__main__":
 import doctest

 doctest.testmod()


