Procedure(s): make the string all lower case (use a string method called lower) note that you will have to assign the output to a variable. You can use a variable name like temp_string remove all punctuation from the string (use your new function remove_punctuation) this can also assign out to temp_string split the string into words (look for and use a string method called split) note that split will return a list of strings. Assign this as out_list return out_list g

Assignment: permutations use the permutation formula   r ! ! n n p nr   to solve each problem. be sure to show all work leading to your answer. part i: solve real-world permutation problems choose any four (4) of the following five problems to solve. for each problem a) show how the permutation formula can be used to find the answer and b) write a sentence to explain the meaning of the answer for the situation. 1. to register for online banking services at a local credit union, you need to select a four-digit personal identification number, or pin code. the digits cannot be repeated. how many ways are there to arrange four digits out of the numerals 0 through 9 to create a code?