# pylint: disable=missing-class-docstring,missing-function-docstring
# pylint: disable=line-too-long,invalid-name,too-many-branches
-from typing import Dict, Tuple
import sys
+from typing import Optional, Dict, Tuple
+StrOrNone = Optional[str]
+TupleOrNone = Optional[Tuple]
+
GREEN_COLOR = '\x1b[32m'
RED_COLOR = '\x1b[31m'
COLOR_END = '\x1b[0m'