Python File Path: Whenever I execute this code it keeps saying the name "__File__" cannot be defined. What do I need to setup? import os import sys mainpath = os.path.join(os.path.dirname(__file__), '../') sys.path.append(mainpath) Can you give me an example of how to use this? I have 3 folders and my main.py is supposed to use the folder called libs which has a file called helper_functions.py

Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
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Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Python File Path: Whenever I execute this code it keeps saying the name "__File__" cannot be defined. What do I need to setup?

import os
import sys
mainpath = os.path.join(os.path.dirname(__file__), '../')
sys.path.append(mainpath)

Can you give me an example of how to use this? I have 3 folders and my main.py is supposed to use the folder called libs which has a file called helper_functions.py

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