
    Write a function that identifies the student ID of the student with the lowest attendance rate from a list of student attendance records, where each record contains a student ID and their attendance percentage. The function should specifically return the student ID (first value) from the record that has the lowest attendance rate (second value).
    

    
from operator import itemgetter

def index_minimum(test_list):
    """
    Write a function that identifies the student ID of the student with the lowest attendance rate from a list of student attendance records, where each record contains a student ID and their attendance percentage. The function should specifically return the student ID (first value) from the record that has the lowest attendance rate (second value).
    

    """
from operator import itemgetter

def index_minimum(test_list):
    """
    Write a function that identifies the student ID of the student with the lowest attendance rate from a list of student attendance records, where each record contains a student ID and their attendance percentage. The function should specifically return the student ID (first value) from the record that has the lowest attendance rate (second value).
    

    """
    res = min(test_list, key=itemgetter(1))[0]
    return res