Solve with python

5. Write a program using the while loop to read the positive integer and count the number of decimal digits in a positive integer. 6. Write a program to read the password from a user. If the user types the correct password, i.e., "Python" then display the message, "Welcome to Python Programming Note: Only three attempts are allowed to enter the right password. 7. Write programs for the following series using the while loop. a. x + x/21 + x/31 - .n b. 1 + x + x2+ x.x" 8. Consider a scenario where a son eats five chocolates every day. The price of each chocolate is different. His father pays the bill to the chocolate vendor at the end of every week. Develop a program that can generate the bills for the chocolates and send to the father. Also state which loop will be used to solve this