



"""simple docstring"""







from __future__ import annotations

def 				UpperCamelCase_    (    lowerCAmelCase__      :				float    ,   lowerCAmelCase__      :				float    ,   lowerCAmelCase__      :				float						)						->   dict[str, float]:

  """simple docstring"""




  if (voltage, current, resistance).count(0						) != 1:
    raise ValueError('One and only one argument must be 0'						)
  if resistance < 0:
    raise ValueError('Resistance cannot be negative'						)
  if voltage == 0:
    return {"voltage": float(current * resistance						)}
  elif current == 0:
    return {"current": voltage / resistance}
  elif resistance == 0:
    return {"resistance": voltage / current}
  else:
    raise ValueError('Exactly one argument must be 0'						)


if __name__ == "__main__":
     import doctest

     doctest.testmod()










"""simple docstring"""







import random

def 				UpperCamelCase_    (    lowerCAmelCase__      :				int    ,   lowerCAmelCase__      :				float    ,   lowerCAmelCase__      :				bool = False						)						->   dict:

  """simple docstring"""




  lowerCAmelCase_   :				dict								= {i: [] for i in range(lowerCAmelCase__						)}

  # if probability is greater or equal than 1, then generate a complete graph
  if probability >= 1:
    return complete_graph(lowerCAmelCase__						)
  # if probability is lower or equal than 0, then return a graph without edges
  if probability <= 0:
    return graph

  # for each couple of nodes, add an edge from u to v
  # if the number randomly generated is greater than probability probability
  for i in range(lowerCAmelCase__						):
    for j in range(i + 1    ,   lowerCAmelCase__						):
      if random.random() < probability:
        graph[i].append(lowerCAmelCase__						)
        if not directed:
          # if the graph is undirected, add an edge in from j to i, either
          graph[j].append(lowerCAmelCase__						)
  return graph

def 				UpperCamelCase_    (    lowerCAmelCase__      :				int						)						->   dict:

  """simple docstring"""




  return {
      i: [j for j in range(lowerCAmelCase__						) if i != j] for i in range(lowerCAmelCase__						)
  }


if __name__ == "__main__":
     import doctest

     doctest.testmod()





