How to fix TypeError: Object of type 'ndarray' is not JSON serializable in Python

Hello, Dedicated Coders! 🖥️💡

We're excited to share with you our newest video, "How to solve TypeError: Object of type 'ndarray' is not JSON serializable 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 TypeError: Object of type 'ndarray' is not JSON serializable. Here is a snapshot of the code of the video:

Troubling Scenario: ❗️

import numpy as np
import json

Unwanted Result: 🚫
TypeError: Object of type 'ndarray' is not JSON serializable

Effective Resolution: ✔️

import numpy as np
import json

Desired Output: 🏁
"[1, 2, 3]"

In this detailed walkthrough, we will illuminate 💡 the underlying cause of this error, and offer a comprehensive explanation: Code1 fails because numpy arrays are not directly serializable to JSON. Code2 corrects this by converting the array to a list using `.tolist()`, making it serializable. 🎯

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