day05_04 目录导入

__author__ = "Alex Li"

import package_test #run __init__.py
import os
import sys

print(sys.argv)

package_test.test1.test()   #目录导入，经过__init__.py

目录结构

./package_test/test1.py

__author__ = "Alex Li"

def test():
    print('in the test1')