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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
How do you select a single column named 'Age'?
💡 Hint: Remember the single brackets for selecting a single column.
Question 2
Easy
What code would you use to select the first row of a DataFrame?
💡 Hint: Think about which index corresponds to the first position.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What method do you use to select a specific column from a DataFrame?
- df.select()
- df['ColumnName']
- df.column('ColumnName')
💡 Hint: Focus on how you reference a column in a DataFrame.
Question 2
True or False: iloc allows you to select data by column names.
- True
- False
💡 Hint: Think about whether iloc uses names or indices.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
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.
Question 2
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.
Challenge and get performance evaluation