Hacker rank problem

second_smallest_marks_students.py

no = int(input())
students = []

for i in range(no):
    name = str(raw_input("Enter name: "))
    marks = float(raw_input("Enter marks: "))
    students.append([name, marks])

smallest = min(students, key=lambda x: x[1])

def give_key(x):
    if x[1] != smallest[1]:
        x[1]
    else:
        9999

smallest2 = min(students, key=give_key)[1]

filtered_students = []

for student in students:
    if student[1] == smallest2:
        filtered_students.append(student)


filtered_students = sorted(filtered_students, key=lambda x: x[0])

print ""

for student in filtered_students:
    print student