code: 
  
  
  
  
  
  
  def 						_A     (       SCREAMING_SNAKE_CASE__						:			str = "mytext.txt"  ,						SCREAMING_SNAKE_CASE__						:			bool = False ):
      import socket
  
      UpperCamelCase :List[Any]										=     12312  # Reserve a port for your service.
      UpperCamelCase :Dict										=     socket.socket()  # Create a socket object
      UpperCamelCase :Union[str, Any]										=     socket.gethostname()  # Get local machine name
      sock.bind((host, port) )  # Bind to the port
      sock.listen(5 )  # Now wait for client connection.
  
      print('''Server listening....''' )
  
      while True:
          UpperCamelCase							,     UpperCamelCase :Any										=     sock.accept()  # Establish connection with client.
          print(F'''Got connection from {addr}''' )
          UpperCamelCase :List[Any]										=     conn.recv(1024 )
          print(F'''Server received: {data = }''' )
  
          with open(SCREAMING_SNAKE_CASE__  ,						'''rb''' ) as in_file:
              UpperCamelCase :List[Any]										=     in_file.read(1024 )
              while data:
                  conn.send(SCREAMING_SNAKE_CASE__ )
                  print(F'''Sent {data!r}''' )
                  UpperCamelCase :int										=     in_file.read(1024 )
  
          print('''Done sending''' )
          conn.close()
          if testing:  # Allow the test to complete
              break
  
      sock.shutdown(1 )
      sock.close()
  
  
  if __name__ == "__main__":
   send_file()
  
  
  
  
  
  
style_context: 
  
  
  
  
  
  
  from __future__ import annotations
  
  
  
  
  
  
  
  class     UpperCAmelCase_		:
  
  
  
        """simple docstring"""
        def __init__(       self					,       SCREAMING_SNAKE_CASE_				)       ->   None:
            UpperCamelCase :Tuple										=     value
            UpperCamelCase :Node | None										=     None
            UpperCamelCase :Node | None										=     None
  
  
  
  
  
  
  
  class     UpperCAmelCase_		:
  
  
  
        """simple docstring"""
        UpperCamelCase_       :      int
        def __init__(       self				)       ->   None:
            UpperCamelCase :List[Any]										=     0
        def 					UpperCAmelCase		(       self					,       SCREAMING_SNAKE_CASE_					,       SCREAMING_SNAKE_CASE_				)       ->   None:
            if node is None:
                return
  
            if path_sum == self.target:
                self.paths += 1
  
            if node.left:
                self.depth_first_search(node.left					,       path_sum + node.left.value				)
            if node.right:
                self.depth_first_search(node.right					,       path_sum + node.right.value				)
  
  
  
  
        def 					UpperCAmelCase		(       self					,       SCREAMING_SNAKE_CASE_					,       SCREAMING_SNAKE_CASE_ = None				)       ->   int:
            if node is None:
                return 0
            if target is not None:
                UpperCamelCase :Tuple										=     target
  
            self.depth_first_search(SCREAMING_SNAKE_CASE_					,       node.value				)
            self.path_sum(node.left				)
            self.path_sum(node.right				)
  
            return self.paths
  
  
  if __name__ == "__main__":
   import doctest
  
   doctest.testmod()
  
  
  
  
  
  