class Student: def __init__(self, name, roll_number, marks): self.name = name self.roll_number = roll_number self.marks = marks

class StudentManagementSystem: def __init__(self): self.students = []

def add_student(self, student):
    self.students.append(student)

def display_all_students(self):
    print("Student List:")
    for student in self.students:
        print(f"Name: {student.name}, Roll Number: {student.roll_number}, Marks: {student.marks}")

def search_student_by_roll_number(self, roll_number):
    for student in self.students:
        if student.roll_number == roll_number:
            print(f"Student found - Name: {student.name}, Roll Number: {student.roll_number}, Marks: {student.marks}")
            return
    print(f"No student found with Roll Number {roll_number}")

Example Usage:

student_system = StudentManagementSystem()

Adding students

student1 = Student("John Doe", "A101", 85) student2 = Student("Jane Doe", "A102", 92)

student_system.add_student(student1) student_system.add_student(student2)

Display all students

student_system.display_all_students()

Search for a student by roll number

student_system.search_student_by_roll_number("A101")