如何提示在 Python 3 中返回类列表的函数的返回类型?
例子:
from typing import List
class BaseClass:
pass
class SubClass1(BaseClass):
pass
class SubClass2(BaseClass):
pass
# Help needed:
def get_sub_classes() -> List[???]:
return BaseClass.__subclasses__()
Run Code Online (Sandbox Code Playgroud)