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---
id: 5e9a093a74c4063ca6f7c15c
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title: Creazione di colonne con Panda
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challengeType: 11
videoId: _sSo2XZoB3E
dashedName: pandas-creating-columns
---
# --description--
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*Invece di usare notebooks.ai come mostrato nel video, puoi usare Google Colab.*
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Altre risorse:
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- [Notebook su GitHub ](https://github.com/ine-rmotr-curriculum/freecodecamp-intro-to-pandas )
- [Come aprire Notebooks da GitHub usando Google Colab. ](https://colab.research.google.com/github/googlecolab/colabtools/blob/master/notebooks/colab-github-demo.ipynb )
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# --question--
## --text--
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Quale codice aggiungerebbe una colonna "Certificates per month" al DataFrame `certificates_earned` come mostrato sotto?
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< pre > Certificates Time (in months) Certificates per month
Tom 8 16 0.50
Kris 2 5 0.40
Ahmad 5 9 0.56
Beau 6 12 0.50< / pre >
## --answers--
```py
certificates_earned['Certificates'] /
certificates_earned['Time (in months)']
```
---
```py
certificates_earned['Certificates per month'] = round(
certificates_earned['Certificates'] /
certificates_earned['Time (in months)']
)
```
---
```py
certificates_earned['Certificates per month'] = round(
certificates_earned['Certificates'] /
certificates_earned['Time (in months)'], 2
)
```
## --video-solution--
3