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[Python] Nested list with python basic

Discussão em 'Python' iniciado por Stack, Dezembro 8, 2024.

  1. Stack

    Stack Membro Participativo

    Given the names and grades for each student in a class of N students, store them in a nested list and print the name(s) of any student(s) having the second lowest grade.

    Note: If there are multiple students with the second lowest grade, order their names alphabetically and print each name on a new line.

    Example

    reords = [['chi', 20.0], ['bela', 50.0], ['alpha', 50.0]]


    The ordered list of scores is [20.0, 50.0], so the second lowest score is 50.0 There are two students with that score:['beta', 'alpha'] . Ordered alphabetically, the names are printed as:

    Input format:

    The first line contains an integer, N, the number of students. The 2N subsequent lines describe each student over 2 lines.

    • The first line contains a student's name.
    • The second line contains their grade.

    Output Format

    Print the name(s) of any student(s) having the second lowest grade in. If there are multiple students, order their names alphabetically and print each one on a new line.

    Example of input: Sample Input 0

    5
    Harry
    37.21
    Berry
    37.21
    Tina
    37.2
    Akriti
    41
    Harsh
    39


    Sample Output 0

    Berry
    Harry


    This my proposition code:

    if __name__ == '__main__':
    student = []
    values = []
    names =[]
    for _ in range(int(input())):
    name = input()
    score = float(input())
    student.append([name, score])

    for item in student:
    values.append(item[1])
    values=list(set(values))
    values.sort()

    for item in student:
    if item[1] == values[1]:
    names.append(item[0])
    names.sort()

    for name in names:
    print(name)


    when I run the code on jupiter Notebook I have the same resume. But when I run the same code in the éditor of the test I have an error. I don't understand enter image description here

    Continue reading...

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