__module__,__class__

# lib/aa.py
class C:
    def __init__(self):
        self.name = 'SB'

# index.py

from lib.aa import C

obj = C()

__module__

• __module__ indicate the current operation of the object in that module

print(obj.__module__)  # 输出 lib.aa，即：输出模块

__class__

• What __class__ object representing the current operation of the class is

print(obj.__class__)  # 输出 lib.aa.C，即：输出类