Part A: Check password Some websites impose certain rules for passwords. Write a set of functions that checks whether an input string is a valid password. Suppose the password rules are as follows: 1. A password must have at least eight characters. 2. A password consists of only letters, digits and \#, \& 3. A password must contain at least two digits. 4. A password must start with a letter or a digit 5. A password should contain at least one of the symbols \# or \& 6. A password should not contain the same letter in succession Write a MATLAB program that prompts the user to enter a password and displays Valid Password if the rules are followed or Invalid Password otherwise