How to fix TypeError: 'os.environ' object is not subscriptable. Use os.envir... in Python

Hello, Dedicated Coders! 🖥️💡

Troubling Scenario: ❗️

import os

Unwanted Result: 🚫

Effective Resolution: ✔️

import os

Desired Output: 🏁
This Python code does not generate any output.

In this detailed walkthrough, we will illuminate 💡 the underlying cause of this error, and offer a comprehensive explanation: Code1 tries to directly modify an immutable environment variable dictionary, causing a TypeError. Code2 correctly appends a path to the 'PATH' environment variable without error. 🎯

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