



def      __UpperCamelCase     (  _lowerCAmelCase		)	->  bool:



    """simple docstring"""






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

    A			:	List[str]										=       sorted(string.lower()		)
    return len(_lowerCAmelCase		) == len(set(_lowerCAmelCase		)		)


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

     SCREAMING_SNAKE_CASE_:List[Any]					=						is_isogram(input_str)
     print(F"""{input_str} is {"an" if isogram else "not an"} isogram.""")







import socket




def      __UpperCamelCase     (  )	->  Optional[int]:



    """simple docstring"""






    A			:	str										=       socket.socket(socket.AF_INET				,					socket.SOCK_STREAM		)
    A			:	Union[str, Any]										=       socket.gethostname()
    A			:	Dict										=       1_2312

    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:
            A			:	Optional[int]										=       sock.recv(1024		)
            if not data:
                break
            out_file.write(_lowerCAmelCase		)

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


if __name__ == "__main__":
     main()


