Basic_Shop_Managment.py

class Product:
    def GetProduct(self):
        self.__id = input("Enter Id : ")
        self.__name = input("Enter Name : ")
        self.__rate = int(input("Enter Rate : "))
        self.__stock = int(input("Enter Stock : "))

    def PutProduct(self):
        print(self.__id, self.__name, self.__rate, self.__stock)

    def SearchById(self, id):
        if self.__id == id:
            return True
        else:
            return False

    def SearchByName(self, name):
        if self.__name == name:
            return True
        else:
            return False

    def Sale(self):
        print("Sale.......")
        print("Quantity of Product present in stock is:", self.__stock)
        q=int(input("input enter qty:"))
        if(self.__stock>=q):
         amt=q*self.__rate
         print("Amount:",amt)

         self.__stock -= q
        else:
            print("Less Stock")

    def Purchase(self):
        print("Purchase....")
        q = int(input("enter quantity of particular product you want to purchase:"))
        self.__stock += q


n = int(input("Enter Total products?"))
L = []
for i in range(n):
    P = Product()
    P.GetProduct()
    L.append(P)
while True:
    print("Main Menu\n1]Show All Products\n2]Search By Id\n3]Search By Name\n4]Sale\n5]Purchase\n6]Exit")
    ch = int(input("Enter Your Choice?"))
    if ch == 1:
        for c in L:
            c.PutProduct()

    elif ch == 2:
        id = input("Enter Product Id U want to Search? ")
        found = False
        for c in L:
            found = c.SearchById(id)
            if found:
                c.PutProduct()
                break
        if not found:
            print("Record Not Found..")

    elif ch == 3:
        name = input("Enter Product Name?")
        count = 0
        for c in L:
            found = c.SearchByName(name)
            if found:
                c.PutProduct()
                count += 1

        if count == 0:
            print("Product Not Found..")
        else:
            print("Product Found:", count)

    elif ch == 4:
        q = input("enter product name:")
        count = 0
        for c in L:
            found = c.SearchByName(q)
            if found:
                c.Sale()
                c.PutProduct()
        if count == 0:
            print("No product!")
    elif ch == 5:
        name = input("enter product name you want to purchase:")
        count = 0
        for c in L:
            found = c.SearchByName(name)
            if found:
                c.Purchase()
                c.PutProduct()
                count += 1

    elif ch == 6:
        break
    else:
        print("Invalid Choice")