





# Author: OMKAR PATHAK, Nwachukwu Chidiebere

# Use a Python dictionary to construct the graph.
from __future__ import annotations

from pprint import pformat
from typing import Generic, TypeVar

lowercase_					     =	TypeVar("""T""")
class        SCREAMING_SNAKE_CASE     (Generic[T]   ):


   def __init__(					self    :       Any    ,  a    :       bool = True )->     None:





     """simple docstring"""







     lowercase__			    =						{}  # dictionary of lists
     lowercase__			    =						directed


   def  SCREAMING_SNAKE_CASE_							(					self    :       Optional[Any]    ,  a    :       T    ,  a    :       T )->     GraphAdjacencyList[T]:





     """simple docstring"""







     if not self.directed:  # For undirected graphs
       # if both source vertex and destination vertex are both present in the
       # adjacency list, add destination vertex to source vertex list of adjacent
       # vertices and add source vertex to destination vertex list of adjacent
       # vertices.
       if source_vertex in self.adj_list and destination_vertex in self.adj_list:
         self.adj_list[source_vertex].append(a )
         self.adj_list[destination_vertex].append(a )
       # if only source vertex is present in adjacency list, add destination vertex
       # to source vertex list of adjacent vertices, then create a new vertex with
       # destination vertex as key and assign a list containing the source vertex
       # as it's first adjacent vertex.
       elif source_vertex in self.adj_list:
         self.adj_list[source_vertex].append(a )
         lowercase__			    =						[source_vertex]
       # if only destination vertex is present in adjacency list, add source vertex
       # to destination vertex list of adjacent vertices, then create a new vertex
       # with source vertex as key and assign a list containing the source vertex
       # as it's first adjacent vertex.
       elif destination_vertex in self.adj_list:
         self.adj_list[destination_vertex].append(a )
         lowercase__			    =						[destination_vertex]
       # if both source vertex and destination vertex are not present in adjacency
       # list, create a new vertex with source vertex as key and assign a list
       # containing the destination vertex as it's first adjacent vertex also
       # create a new vertex with destination vertex as key and assign a list
       # containing the source vertex as it's first adjacent vertex.
       else:
         lowercase__			    =						[destination_vertex]
         lowercase__			    =						[source_vertex]
     else:  # For directed graphs
       # if both source vertex and destination vertex are present in adjacency
       # list, add destination vertex to source vertex list of adjacent vertices.
       if source_vertex in self.adj_list and destination_vertex in self.adj_list:
         self.adj_list[source_vertex].append(a )
       # if only source vertex is present in adjacency list, add destination
       # vertex to source vertex list of adjacent vertices and create a new vertex
       # with destination vertex as key, which has no adjacent vertex
       elif source_vertex in self.adj_list:
         self.adj_list[source_vertex].append(a )
         lowercase__			    =						[]
       # if only destination vertex is present in adjacency list, create a new
       # vertex with source vertex as key and assign a list containing destination
       # vertex as first adjacent vertex
       elif destination_vertex in self.adj_list:
         lowercase__			    =						[destination_vertex]
       # if both source vertex and destination vertex are not present in adjacency
       # list, create a new vertex with source vertex as key and a list containing
       # destination vertex as it's first adjacent vertex. Then create a new vertex
       # with destination vertex as key, which has no adjacent vertex
       else:
         lowercase__			    =						[destination_vertex]
         lowercase__			    =						[]

     return self


   def __repr__(					self    :       List[Any] )->     str:





     """simple docstring"""







     return pformat(self.adj_list )









from PIL import Image




def     __UpperCamelCase						(_SCREAMING_SNAKE_CASE	,		_SCREAMING_SNAKE_CASE	)       ->     Image:

  def brightness(_SCREAMING_SNAKE_CASE	) -> float:
    return 128 + level + (c - 128)

  if not -2_5_5.0 <= level <= 2_5_5.0:
    raise ValueError('level must be between -255.0 (black) and 255.0 (white)'	)
  return img.point(_SCREAMING_SNAKE_CASE	)


if __name__ == "__main__":
      # Load image
      with Image.open("""image_data/lena.jpg""") as img:
            # Change brightness to 100
            lowercase_					     =	change_brightness(img, 100)
            brigt_img.save("""image_data/lena_brightness.png""", format="""png""")


