5. Write a Python function to calculate the factorial of a number. The function accepts the number as an argument. 6. Write "help" document for the above factorial function(use doc strings) 7. Write a Python program to create a lambda function that adds 500 to a given number passed in as an argument 8. Write a Python program to create a lambda function that multiplies argument x with argument y and print the result. 9. Write lambda function that returns the odd numbers from an input list: li = [5, 7, 22, 97, 54, 62, 78, 23, 73, 61] 10. Use the "map" function for the above example and print the Boolean values as an output