freeCodeCamp/curriculum/challenges/english/08-data-analysis-with-python/data-analysis-with-python-course/pandas-conditional-selection-and-modifying-dataframes.md

id, title, challengeType, videoId

id	title	challengeType	videoId
5e9a093a74c4063ca6f7c15b	Pandas Conditional Selection and Modifying DataFrames	11	BFlH0fN5xRQ

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.

Tests

question:
  text: |
    What will the following code print out?

    ```py
    import pandas as pd

    certificates_earned = pd.DataFrame({
        'Certificates': [8, 2, 5, 6],
        'Time (in months)': [16, 5, 9, 12]
    })
    names = ['Tom', 'Kris', 'Ahmad', 'Beau']

    certificates_earned.index = names
    longest_streak = pd.Series([13, 11, 9, 7], index=names)
    certificates_earned['Longest streak'] = longest_streak

    print(certificates_earned)
    ```

  answers:
    - |
      ```
      Tom      13
      Kris     11
      Ahmad     9
      Beau      7
      Name: Longest streak, dtype: int64
      ```
    - |
      ```
            Certificates  Time (in months)  Longest streak
      Tom               8                16              13
      Kris              2                 5              11
      Ahmad             5                 9               9
      Beau              6                12               7
      ```
    - |
      ```
            Certificates   Longest streak
      Tom               8               13
      Kris              2               11
      Ahmad             5                9
      Beau              6                7
      ```
  solution: 2