interactive sum exercise write program sumall py that prompts the user to enter numbersone per lineending with line containing only and keep running sum of the numbers only print out the sum after all the numbers are entered (at least in your final versiondo not create listeach time you read in numberyou can immediately use it for your sumand then be done with the number just entered safe number input exercise there is an issue with reading in numbers with the input statement if you make typo and enter something that cannot be converted from string to the right kind of numbera naive program will bomb this is avoidable if you test the string and repeat if the string is illegal in this exercise write safe utility function replacements for the input function that work to read in whole numberan integer or decimal number all parts refer to the previous is number string exercise (page part refers to the introduction in the previous exercise parts and refer to functions in the solutionisnumberstr pyof the previous exercise make sure you look back at these first save the example safenumberinputstub py as safenumberinput pyand complete it it contains headings and documentation strings for the functions in each part of this exercise this part considers the simplest casewhere you are trying to enter whole number complete the definition of the function safewholenumber complete the function safeint this easily parallels part if you copy in and use the function (not methodisintegerstr complete the function safedecimal this easily parallels part if you copy in and use the function isdecimalstr savings exercise the idea here is to see how many years it will take bank account to grow to at least given valueassuming fixed annual interest write program savings py prompt the user for three numbersan initial balancethe annual percentage for interest as decimallike for %and the final balance desired all the monetary amounts that you print should be rounded to exactly two decimal places start by printing the initial balance this way for exampleif the initial balance was entered as it should be reprinted by your program as also print the balance each year until the desired amount is reached or passed the first balance at or past the target should be the last one printed the maththe amount next year is the amount now times ( interest fraction)so if have $ now and the interest rate is have $ *( $ after one year and after two years have$ *( $ for exampleif respond to the promptsand enter into the program $ starting balance interest rate and target of $ the program prints strange sequence exercise recall strange function exercise (page and its jumpfunc py which contains the function jumpfor any integer njump(nis // if is evenand * + if is odd more on flow of control