如何在 Python 中以字符串形式获取函数名

以下变体对于成员函数也能可靠工作：

func_name_example.py

def func_name(func):
    """
    Get the name of a function.
    """
    if hasattr(func, '__qualname__'):
        return func.__qualname__
    elif hasattr(func, '__name__'):
        return func.__name__
    else:
        return repr(func)

def func_name(func):
    """
    Get the name of a function.
    """
    if hasattr(func, '__qualname__'):
        return func.__qualname__
    elif hasattr(func, '__name__'):
        return func.__name__
    else:
        return repr(func)

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