python3 不同目录间模块调用

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#Author by Andy #_*_ coding:utf-8 _*_ #__file__获取当前程序的相对路径 import os,sys #print(__file__) # os.path.abspath(__file__) 获取当前程序的绝对路径 print(os.path.abspath(__file__)) # E:\my python study\day4\Atm\bin\atm.py Path=os.path.abspath(__file__) # print(os.path.dirname(Path))获取当前程序的父目录的绝对路径 BASE_DIR=os.path.dirname(os.path.dirname(Path)) print(BASE_DIR) # E:\my python study\day4\Atm #将BASE_DIR添加到系统环境变量中 sys.path.append(BASE_DIR) from core import main main.wel()