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* fix(curriculum): standradize links in curriculum * Data analiysis links * CIP links * fixed links in s-expressions * Update curriculum/challenges/english/01-responsive-web-design/basic-css/use-hex-code-for-specific-colors.md Co-authored-by: Ilenia <nethleen@gmail.com> * added space before target attribute * standarize external and .rock example links * wrap "check out the projects" around the links Co-authored-by: Ilenia <nethleen@gmail.com>
63 lines
1.6 KiB
Markdown
63 lines
1.6 KiB
Markdown
---
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id: 5e9a093a74c4063ca6f7c15c
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title: Pandas Creating Columns
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challengeType: 11
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videoId: _sSo2XZoB3E
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bilibiliIds:
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aid: 975568901
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bvid: BV1b44y1b7Cg
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cid: 409018052
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dashedName: pandas-creating-columns
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---
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# --description--
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*Instead of using notebooks.ai like it shows in the video, you can use Google Colab instead.*
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More resources:
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- <a href="https://github.com/ine-rmotr-curriculum/freecodecamp-intro-to-pandas" target="_blank" rel="noopener noreferrer nofollow">Notebooks on GitHub</a>
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- <a href="https://colab.research.google.com/github/googlecolab/colabtools/blob/master/notebooks/colab-github-demo.ipynb" target="_blank" rel="noopener noreferrer nofollow">How to open Notebooks from GitHub using Google Colab.</a>
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# --question--
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## --text--
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What code would add a "Certificates per month" column to the `certificates_earned` DataFrame like the one below?
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<pre> Certificates Time (in months) Certificates per month
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Tom 8 16 0.50
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Kris 2 5 0.40
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Ahmad 5 9 0.56
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Beau 6 12 0.50</pre>
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## --answers--
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```py
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certificates_earned['Certificates'] /
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certificates_earned['Time (in months)']
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```
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---
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```py
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certificates_earned['Certificates per month'] = round(
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certificates_earned['Certificates'] /
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certificates_earned['Time (in months)']
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)
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```
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---
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```py
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certificates_earned['Certificates per month'] = round(
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certificates_earned['Certificates'] /
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certificates_earned['Time (in months)'], 2
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)
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```
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## --video-solution--
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3
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