while choice != 4:
    print("""MENU
        1 == balance
        2 == withdraw balance
        3 == deposit balance
        4 == exit
           """
         )
    choice = int(input("\nEnter your option:\n"))
    
    if choice==1:
        print("Balance = Rs", balance)
        
    elif choice==2:
        wit = int(input("Enter your withdraw amount = Rs"))
        balance -= wit
        print("\nwithdrawn amount: Rs",wit)
        print("Balance = Rs",balance)
        
    elif choice==3:
        dep = int(input("Enter your deposit amount = Rs"))
        balance += dep
        print("\nDeposited amount: Rs",wit)
        print("Balance = Rs",balance)
        
    elif choice==4:
        print("\nSession Ended!! GOODBYE")