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Asked By :  Radhe shyam
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Write a function named twolevelsort that accepts a list of

Write a function named two_level_sort that accepts a list of tuples named scores as argument. Each element in this list is of the form (Name, Marks) and represents the marks scored by a student in a test: the first element is the student’s name and the second element is his or her marks.




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To create a function named two_level_sort that sorts a list of tuples containing student names and their respective marks, you can follow these steps. The function will sort primarily by marks in descending order, and then by name in ascending order for students with the same mark.

Here's a Python implementation:

def two_level_sort(scores):
    # Sort the tuples first by marks in descending order, and then by name in ascending order
    sorted_scores = sorted(scores, key=lambda student: (-student[1], student[0]))
    return sorted_scores

# Example usage
scores = [("Alice", 91), ("Bob", 82), ("Charlie", 82), ("Danielle", 95)]
sorted_scores = two_level_sort(scores)
print(sorted_scores)

Explanation:

  1. Sorting Logic:

    • The sorted function is used to sort the list.
    • The key argument accepts a lambda function which dictates the sorting criteria.
    • -student[1] ensures that marks are sorted in descending order (hence, the negative sign to invert the default ascending order of sorting).
    • student[0] ensures that names are sorted in ascending order if the marks are tied.
  2. Output:

    • For the given example, the sorted output will ensure that Danielle with the highest score appears first, followed by Alice, and then the tie between Bob and Charlie is resolved by name order, putting Bob before Charlie.

This function can handle a list of student tuples and sort them according to the specified criteria efficiently.


Answered By

Travis Gutierrez

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