How to fix AttributeError: 'NoneType' object has no attribute 'append' in Python

Hello, Dedicated Coders! 🖥️💡

We're excited to share with you our newest video, "How to solve AttributeError: 'NoneType' object has no attribute 'append' in Python". 🎥 This series is meticulously designed to arm you with knowledge 🧠 and skills 🛠️ to overcome frequent coding challenges.

Today, we will decipher 🔎 and resolve a common error faced by Python coders: the bit hard to solve AttributeError: 'NoneType' object has no attribute 'append'. Here is a snapshot of the code of the video:

Troubling Scenario: ❗️

my_list = None

Unwanted Result: 🚫
AttributeError: 'NoneType' object has no attribute 'append'

Effective Resolution: ✔️

my_list = []

Desired Output: 🏁
[1]

In this detailed walkthrough, we will illuminate 💡 the underlying cause of this error, and offer a comprehensive explanation: Code1 attempts to append to `None`, which isn't a list, causing an AttributeError. Code2 correctly initializes `my_list` as an empty list before appending, thus it works without errors. 🎯

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