How to fix TypeError: 'less than' not supported between instances of 'str' and 'int'... in Python

Hello, Dedicated Coders! 🖥️💡

We're excited to share with you our newest video, "How to solve TypeError: 'less than' not supported between instances of 'str' and 'int' during DataFrame creation from a mixed-type array. 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: 'less than' not supported between instances of 'str' and 'int' during DataFrame creation from a mixed-type array.. Here is a snapshot of the code of the video:

Troubling Scenario: ❗️

import pandas as pd
data = [{'a': 5, 'b': 'three'}, {'a': 'two', 'b': 4}]
df = pd.DataFrame(data).sort_values(by='a')

Unwanted Result: 🚫
TypeError: 'less than' not supported between instances of 'str' and 'int' during DataFrame creation from a mixed-type array.

Effective Resolution: ✔️

import pandas as pd
data = [{'a': 5, 'b': 'three'}, {'a': 2, 'b': 4}]
df = pd.DataFrame(data).sort_values(by='a')

Desired Output: 🏁

a b
1 2 4
0 5 three

In this detailed walkthrough, we will illuminate 💡 the underlying cause of this error, and offer a comprehensive explanation: In Code1, sorting fails because column 'a' mixes integers and strings, which cannot be compared. Code2 works correctly by having 'a' contain only integers, allowing successful sorting. 🎯

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