Complete Project - Report Card

# Day 60 - Complete Python Project
# Student Report Card System

class Student:
    def __init__(self, name, roll):
        self.name    = name
        self.roll    = roll
        self.subjects = {}

    def add_marks(self, subject, marks):
        self.subjects[subject] = marks

    def total(self):
        return sum(self.subjects.values())

    def percentage(self):
        if not self.subjects:
            return 0
        return self.total() / len(self.subjects)

    def grade(self):
        p = self.percentage()
        if p >= 90: return "A+ (Outstanding)"
        if p >= 80: return "A  (Excellent)"
        if p >= 70: return "B  (Good)"
        if p >= 60: return "C  (Average)"
        if p >= 33: return "D  (Pass)"
        return "F  (Fail)"

    def report_card(self):
        print(f"\n{'='*45}")
        print(f"  REPORT CARD")
        print(f"  Student : {self.name}")
        print(f"  Roll No : {self.roll}")
        print(f"{'─'*45}")
        print(f"  {'Subject':15} {'Marks':8} {'Result'}")
        print(f"{'─'*45}")
        for sub, marks in self.subjects.items():
            bar    = "#" * (marks // 10)
            result = "Pass" if marks >= 33 else "Fail"
            print(f"  {sub:15} {marks:5}/100  {bar} [{result}]")
        print(f"{'─'*45}")
        print(f"  Total       : {self.total()}/{len(self.subjects)*100}")
        print(f"  Percentage  : {self.percentage():.1f}%")
        print(f"  Grade       : {self.grade()}")
        print(f"{'='*45}")

students  = []
SUBJECTS  = ["Hindi", "English", "Math", "Science", "Computer"]

print("=== Student Report Card System ===")
while True:
    print("\n1. Student add karo")
    print("2. Marks add karo")
    print("3. Report card dekho")
    print("4. Sab students ki report")
    print("5. Topper dekho")
    print("6. Baahar jao")
    ch = input("Choice: ")

    if ch == "1":
        s = Student(input("Naam: "), input("Roll no: "))
        students.append(s)
        print(f"Student add hua: {s.name}")

    elif ch == "2":
        roll = input("Roll no: ")
        s = next((x for x in students if x.roll == roll), None)
        if s:
            print(f"{s.name} ke marks enter karo:")
            for sub in SUBJECTS:
                marks = int(input(f"  {sub}: "))
                s.add_marks(sub, marks)
            print("Marks save ho gaye!")
        else:
            print("Student nahi mila!")

    elif ch == "3":
        roll = input("Roll no: ")
        s = next((x for x in students if x.roll == roll), None)
        if s: s.report_card()
        else: print("Student nahi mila!")

    elif ch == "4":
        for s in students:
            s.report_card()

    elif ch == "5":
        if students:
            t = max(students, key=lambda x: x.percentage())
            print(f"\nClass Topper: {t.name}")
            print(f"Percentage  : {t.percentage():.1f}%")
            print(f"Grade       : {t.grade()}")

    elif ch == "6":
        print("\n60 Day Python Challenge Complete!")
        print("Aap ek Python developer ban gaye!")
        break