Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN: 9780133594140
Author: James Kurose, Keith Ross
Publisher: PEARSON
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In python

### Function Definition: build_csv_string(data) This function, `build_csv_string(data)`, processes a list of lists, `data`, and converts it into a CSV string. The structure of each sublist is variable, where the length can be 1, 2, or 3, and each length has specific content requirements: - **Length 1**: Includes only a name (as a string). - **Length 2**: Includes a name and an assignment title (both as strings). - **Length 3**: Includes a name, an assignment title, and a score (as either a float or an integer). ### Function Purpose The function's goal is to return a CSV-formatted string where each sublist represents a record. The first line of the CSV string serves as a header and should be formatted as: `'name, assignment, grade\n'`. ### Handling Missing Data - **Missing Grade**: Sublists that lack a grade should default the grade value to `0`. - **Missing Assignment Title**: If the assignment title is missing, it should default to `'N/A'`. Through this approach, the function ensures a consistent output format, handling any incomplete data by providing sensible defaults.
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Transcribed Image Text:### Function Definition: build_csv_string(data) This function, `build_csv_string(data)`, processes a list of lists, `data`, and converts it into a CSV string. The structure of each sublist is variable, where the length can be 1, 2, or 3, and each length has specific content requirements: - **Length 1**: Includes only a name (as a string). - **Length 2**: Includes a name and an assignment title (both as strings). - **Length 3**: Includes a name, an assignment title, and a score (as either a float or an integer). ### Function Purpose The function's goal is to return a CSV-formatted string where each sublist represents a record. The first line of the CSV string serves as a header and should be formatted as: `'name, assignment, grade\n'`. ### Handling Missing Data - **Missing Grade**: Sublists that lack a grade should default the grade value to `0`. - **Missing Assignment Title**: If the assignment title is missing, it should default to `'N/A'`. Through this approach, the function ensures a consistent output format, handling any incomplete data by providing sensible defaults.
**Examples** (values in **bold** are returned): ```python >>> build_csv_string([["Sam", "Lab 01", 5.4]]) 'name,assignment,grade\nSam,Lab 01,5.4' ``` ```python >>> build_csv_string([["Sam", "Lab 01", 5.4], ["Zoe"]]) 'name,assignment,grade\nSam,Lab 01,5.4\nZoe,N/A,0' ``` ```python >>> build_csv_string([["Sam", "Lab 01", 5.4], ["Zoe"], ["Amanda", "Quiz 04", 100]]) 'name,assignment,grade\nSam,Lab 01,5.4\nZoe,N/A,0\nAmanda,Quiz 04,100' ```
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Transcribed Image Text:**Examples** (values in **bold** are returned): ```python >>> build_csv_string([["Sam", "Lab 01", 5.4]]) 'name,assignment,grade\nSam,Lab 01,5.4' ``` ```python >>> build_csv_string([["Sam", "Lab 01", 5.4], ["Zoe"]]) 'name,assignment,grade\nSam,Lab 01,5.4\nZoe,N/A,0' ``` ```python >>> build_csv_string([["Sam", "Lab 01", 5.4], ["Zoe"], ["Amanda", "Quiz 04", 100]]) 'name,assignment,grade\nSam,Lab 01,5.4\nZoe,N/A,0\nAmanda,Quiz 04,100' ```
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