Given the names and grades for each student in a class N of students, store them in a nested list and print the name(s) of any student(s) having the second lowest grade.
scorex=[]
namex=[]
for _ in range(int(raw_input())):
name = raw_input()
score = float(raw_input())
scorex.append(score)
namex.append(name)
i = min(scorex)
flag = True
while flag:
if i in scorex:
namex.pop(scorex.index(i))
scorex.pop(scorex.index(i))
else:
flag=False
t=min(scorex)
names=[]
flag=True
count =scorex.count(t)
for _ in range (count):
names.append(namex[scorex.index(t)])
namex.pop(scorex.index(t))
scorex.pop(scorex.index(t))
names.sort()
for i in names:
print i