Read file and sort

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import random
class Student:
def __init__(self,id,name,v1,v2,v3,v4,v5,rank):
self.id = int(id)
self.name = name
self.v = []
self.v.append(int(v1))
self.v.append(int(v2))
self.v.append(int(v3))
self.v.append(int(v4))
self.v.append(int(v5))

self.rank = int(rank)

def set_random(self,random):
self.random = int(random)

def set_club(self,club):
self.club = int(club)


ins = open( "file.tsv", "r" )
students = []
for line in ins:
tmp = line.split('\t')
students.append( Student(tmp[1],tmp[2],tmp[3],tmp[4],tmp[5],tmp[6],tmp[7],tmp[8]) )
ins.close()

## for giving random value for every student
size=len(students)
rv = []
for i in range(0, size):
rv.append(i)
#print(array[0].name)

for student in students:
i = random.randint(0,size-1)
tmp=rv[i]
student.set_random(tmp)
rv.remove(tmp)
size -= 1

s_students=sorted(students, key=lambda student: (student.rank,student.random),reverse=True)