School Management

class School:
    def __init__(self, name):
        self.name     = name
        self.students = {}
        self.teachers = {}
        self.classes  = {}

    def add_student(self, name, cls):
        roll = len(self.students) + 1
        self.students[roll] = {"name": name, "class": cls, "fees": False}
        if cls not in self.classes:
            self.classes[cls] = []
        self.classes[cls].append(name)
        print(f"Student add hua - Roll:{roll} {name} (Class {cls})")

    def add_teacher(self, name, subject):
        self.teachers[name] = subject
        print(f"Teacher add hua: {name} ({subject})")

    def pay_fees(self, roll):
        if roll in self.students:
            self.students[roll]["fees"] = True
            print(f"Fees paid: {self.students[roll]['name']}")
        else:
            print("Student nahi mila!")

    def class_list(self, cls):
        students = self.classes.get(cls, [])
        print(f"\nClass {cls} students ({len(students)}):")
        for s in students:
            print(f"  - {s}")

    def report(self):
        fees_pending = [d["name"] for d in self.students.values() if not d["fees"]]
        print(f"\n=== {self.name} Report ===")
        print(f"  Total Students : {len(self.students)}")
        print(f"  Total Teachers : {len(self.teachers)}")
        print(f"  Fees Pending   : {fees_pending}")

s = School(input("School naam: "))
while True:
    print("\n1. Student add")
    print("2. Teacher add")
    print("3. Fees pay")
    print("4. Class list")
    print("5. Report")
    print("6. Baahar jao")
    ch = input("Choice: ")
    if ch == "1": s.add_student(input("Naam: "), input("Class: "))
    elif ch == "2": s.add_teacher(input("Teacher naam: "), input("Subject: "))
    elif ch == "3": s.pay_fees(int(input("Roll number: ")))
    elif ch == "4": s.class_list(input("Class: "))
    elif ch == "5": s.report()
    elif ch == "6": break