py_assignmt_ust.py

class Demo:
    value = 0  # attribute

    def __init__(self, val1, val2):
        self.val1 = val1
        self.val2 = val2

    def Fun(self):
        print(f"Value 1: {self.val1}")

    def Gun(self):
        print(f"Value 2: {self.val2}")


Obj1 = Demo(11, 21) #instances
Obj2 = Demo(51, 101)

# Calling 
Obj1.Fun()
Obj2.Fun()
Obj1.Gun()
Obj2.Gun()

#2 BookStore.
class BookStore:
    NoOfBooks = 0  

    def __init__(self, name, author):
        self.Name = name
        self.Author = author
        BookStore.NoOfBooks += 1

    def Display(self):
        print(f"Book: {self.Name} by {self.Author}. No of books: {BookStore.NoOfBooks}")
Obj1 = BookStore("Linux System Programming", "Robert Love")
Obj1.Display()

Obj2 = BookStore("C Programming", "Dennis Ritchie")
Obj2.Display()              



#3 Circle
class Circle:
    PI = 3.14  

    def __init__(self):
        self.Radius = 0.0
        self.Area = 0.0
        self.Circumference = 0.0

    def Accept(self):
        self.Radius = float(input("Enter the radius of the circle: "))

    def CalculateArea(self):
        self.Area = Circle.PI * self.Radius**2

    def CalculateCircumference(self):
        self.Circumference = 2 * Circle.PI * self.Radius

    def Display(self):
        print(f"Radius: {self.Radius}")
        print(f"Area: {self.Area}")
        print(f"Circumference: {self.Circumference}")

circle1 = Circle()
circle1.Accept()
circle1.CalculateArea()
circle1.CalculateCircumference()
circle1.Display()

#4 BankAccount
class BankAccount:
    ROI = 10.5  

    def __init__(self, name, amount):
        self.Name = name
        self.Amount = amount

    def Deposit(self):
        deposit_amount = float(input("Enter the amount to deposit: "))
        self.Amount += deposit_amount

    def Withdraw(self):
        withdraw_amount = float(input("Enter the amount to withdraw: "))
        if withdraw_amount > self.Amount:
            print("Insufficient balance!")
        else:
            self.Amount -= withdraw_amount

    def CalculateInterest(self):
        interest = (self.Amount * BankAccount.ROI) / 100
        print(f"Interest: {interest}")

    def Display(self):
        print(f"Name: {self.Name}")
        print(f"Amount: {self.Amount}")

account1 = BankAccount("John", 1000)
account1.Deposit()
account1.Withdraw()
account1.CalculateInterest()
account1.Display()

#5 Numbers.
class Numbers:
    def __init__(self, value):
        self.Value = value

    def Factors(self):
        print(f"Factors of {self.Value}: ", end="")
        for i in range(1, self.Value):
            if self.Value % i == 0:
                print(i, end=" ")
        print()

    def SumFactors(self):
        return sum(i for i in range(1, self.Value) if self.Value % i == 0)

    def ChkPrime(self):
        if self.Value < 2:
            return False
        for i in range(2, int(self.Value**0.5) + 1):
            if self.Value % i == 0:
                return False
        return True

    def ChkPerfect(self):
        return self.SumFactors() == self.Value


number = Numbers(28)
number.Factors()
print(f"Is Prime: {number.ChkPrime()}")
print(f"Is Perfect: {number.ChkPerfect()}")
print(f"Sum of Factors: {number.SumFactors()}")


#6 Numbers.
class Numbers:
    def __init__(self):
        self.Value1 = 0
        self.Value2 = 0

    def Accept(self):
        self.Value1 = float(input("Enter Value1: "))
        self.Value2 = float(input("Enter Value2: "))

    def Addition(self):
        return self.Value1 + self.Value2

    def Subtraction(self):
        return self.Value1 - self.Value2

    def Multiplication(self):
        return self.Value1 * self.Value2

    def Division(self):
        if self.Value2 == 0:
            return "Division by zero is not allowed"
        return self.Value1 / self.Value2

operation = Numbers()
operation.Accept()
print(f"Addition: {operation.Addition()}")
print(f"Subtraction: {operation.Subtraction()}")
print(f"Multiplication: {operation.Multiplication()}")
print(f"Division: {operation.Division()}")