Nested Lists | HackerRank Solution

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.Go to problem statement.

Explanation Video:

Youtube Channel partner: CodingCart
Mentor: Satyendra Jaiswal
Langauge: Python

Source Code: Nested Lists solution

n=int(input())
res=[]
grade=[]
for i in range(n):
    name=input()
    mark=float(input())
    res.append([name,mark])
    grade.append(mark)   #calculation 2nd lowest
#print(res)   
#print(grade)
grade=sorted(set(grade))  #sorted unique
#print(grade)
m=grade[1]
#print(m)
name=[]
for val in res:
    if m==val[1]:
        name.append(val[0])
#print(name)   #unsorted     
name.sort()
#print(name)   #sorted
for nm in name:
    print(nm)
           

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