calculater.py

class calculater:
    def __init__(self,num1, num2,choice):
        self.num1 = num1
        self.num2 = num2
        self.choice=  choice

    def add(self):
      return self.num1 + self.num2  
    def subtract(self):
      return self.num1 - self.num2  
    def multiply(self):
      return self.num1 * self.num2  
    def divide(self):
     if self.num2 != 0:
      return self.num1 / self.num2
     else:
        return "numbers cannot divide by ZERO"    

def main():
    num1 = int(input("Enter your number_1: "))
    num2 = int(input("Enter your number_2: "))
    while True:
      print("\n1. +")
      print("2. -")
      print("3. *")
      print("4. /")
      print("5. Exit")
     
      choice = input("Enter your choice: ")


      if choice =="1": 
        print(num1+num2)
      elif choice=="2":
       print(num1-num2)
      elif choice=="3":
       print(num1*num2)
      elif choice=="4":
       print(num1/num2)

      elif choice == "5":
        print("thank you")
        break
      else:
       ("invalid opr...") 
      
if __name__ == "__main__":
  main()