


"""simple docstring"""







def      lowercase			(				A_       )->      bool:
  '''simple docstring'''







  if not all(x.isalpha() for x in string       ):
    raise ValueError("String must only contain alphabetic characters."       )

  a						:		Tuple      							=			sorted(string.lower()       )
  return len(A_       ) == len(set(A_       )       )


if __name__ == "__main__":
 __lowercase    					=      input("""Enter a string """).strip()

 __lowercase    					=      is_isogram(input_str)
 print(f'''{input_str} is {'an' if isogram else 'not an'} isogram.''')










import socket
def 			_a (      ):


		"""simple docstring"""




		lowercase__            =      socket.socket(socket.AF_INET						,				socket.SOCK_STREAM     )
		lowercase__            =      socket.gethostname()
		lowercase__            =      1_23_12

		sock.connect((host, port)     )
		sock.send(B'''Hello server!'''     )

		with open('''Received_file'''						,				'''wb'''     ) as out_file:
				print('''File opened'''     )
				print('''Receiving data...'''     )
				while True:
						lowercase__            =      sock.recv(10_24     )
						if not data:
								break
						out_file.write(SCREAMING_SNAKE_CASE     )

		print('''Successfully received the file'''     )
		sock.close()
		print('''Connection closed'''     )


if __name__ == "__main__":
			main()


