python-oop/day 2.py at main · muin360/python-oop · GitHub

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class Student:
    def __init__(self, name, age, marks=0):
        self.name = name
        self.age = age
        self.marks = marks

    def show_info(self):
        print(f"Name: {self.name}, Age: {self.age}, Marks: {self.marks}")

    def grade(self):
        if self.marks >= 80:
            return "A+"
        elif self.marks >= 70:
            return "A"
        elif self.marks >= 60:
            return "A-"
        elif self.marks >= 50:
            return "B+"
        elif self.marks >= 40:
            return "C"
        elif self.marks >= 33:
            return "D"
        else:
            return "F"


students = []

n = int(input("How many students? "))

for i in range(n):
    print(f"\nStudent {i+1}")
    name = input("Enter name: ")
    age = int(input("Enter age: "))
    marks = int(input("Enter marks: "))

    s = Student(name, age, marks)
    students.append(s)


print("\n--- Student List ---")
for s in students:
    s.show_info()
    print("Grade:", s.grade())
    print()