freeCodeCamp/curriculum/challenges/arabic/08-data-analysis-with-python/data-analysis-with-python-course/data-cleaning-duplicates.md

id, title, challengeType, videoId, bilibiliIds, dashedName

id	title	challengeType	videoId	bilibiliIds	dashedName
5e9a093a74c4063ca6f7c15f	Data Cleaning Duplicates	11	kj7QqjXhH6A	aid bvid cid 675611672 BV1VU4y1A7tu 409019368	data-cleaning-duplicates

--description--

Instead of using notebooks.ai like it shows in the video, you can use Google Colab instead.

More resources:

• Notebooks on GitHub
• How to open Notebooks from GitHub using Google Colab.

--question--

--text--

The Python method .duplicated() returns a boolean Series for your DataFrame. True is the return value for rows that:

--answers--

contain a duplicate, where the value for the row contains the first occurrence of that value.

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contain a duplicate, where the value for the row is at least the second occurrence of that value.

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contain a duplicate, where the value for the row contains either the first or second occurrence.

--video-solution--

2