from sys import stderr EXIT_CODE_FILE_ERROR = 1 EXIT_CODE_ILLEGAL_CHAR = 2 EXIT_CODE_SIZE_EXCEEDED = 3 EXIT_CODE_SYNTAX_ERROR = 4 EXIT_CODE_ADDR_ERROR = 5 EXIT_CODE_SYMBOL_ERROR = 6 def exit_on_error(msg, code): print(msg, file=stderr) exit(code)