Program for students marks list using class in Python

Program:

# Definig a class student, which contain 
# name and Roll number and marks of the student

class Student(object):
    def __init__(self, name, roll, marks):
        self.name = name
        self.roll = roll
        self.marks = marks
    
    def getmarks(self):
        return self.marks
    
    def getroll(self):
        return self.roll
    
    def __str__(self):
        return self.name + ' : ' + str(self.getroll()) +'  ::'+  str(self.getmarks())
  
# Defining a function for building a Record 
# which generates list of all the students    
def Markss(rec, name, roll, marks):
    rec.append(Student(name, roll, marks))
    return rec

# Main Code
Record = []
x = 'y'
while x == 'y':
    name = input('Enter the name of the student: ')
    height = input('Enter the roll number: ')
    roll = input('Marks: ')
    Record = Markss(Record, name, roll, height)
    x = input('another student? y/n: ')
    
# Printing the list of student
n = 1
for el in Record:
    print(n,'. ', el)
    n = n + 1

Output

Enter the name of the student: Prem
Enter the roll number: 101
Marks: 200
another student? y/n: y
Enter the name of the student: Shivang
Enter the roll number: 102
Marks: 250
another student? y/n: y
Enter the name of the student: Radib
Enter the roll number: 103
Marks: 230
another student? y/n: n
1 .  Prem : 200  ::101
2 .  Shivang : 250  ::102
3 .  Radib : 230  ::103