3. Create variables for the following (i) to hold a train number (ii) to hold the name of a subject (iii) to hold balance amount in a bank account (iv) to hold a phone number / sa 11 cs chapter 6, sa 11 ip chapter 3 / By PythonCSIP CS IP train_num = 51234 name = ‘Akshay’ balance = 7650.0 phone = 9784378938