9.5.1 - Selecting Columns and Rows
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Practice Questions
Test your understanding with targeted questions
How do you select a single column named 'Age'?
💡 Hint: Remember the single brackets for selecting a single column.
What code would you use to select the first row of a DataFrame?
💡 Hint: Think about which index corresponds to the first position.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What method do you use to select a specific column from a DataFrame?
💡 Hint: Focus on how you reference a column in a DataFrame.
True or False: iloc allows you to select data by column names.
💡 Hint: Think about whether iloc uses names or indices.
1 more question available
Challenge Problems
Push your limits with advanced challenges
Given a DataFrame with student marks, write the code to select the first four rows and the columns 'Name' and 'Marks'.
💡 Hint: Think about how to combine both row and column selection.
How would you modify your code to select all rows for the 'Weekly_Study_Hours' column if you can only access the full DataFrame?
💡 Hint: Remember that ':' can denote all rows in selections.
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