1input parameter: a star's name return: the star string of the star with matching name in the file stars. txt. if no star with a matching name can be found, an error message should be printed and the empty string ("") should be returned. hint: search the file line by line using the getstarname() function to see if the correct star string has been found. below are example function calls. a. getstarstring("polaris") → "0.010128,0.007897,0.18,8890,1.97,4 24,polaris" b. getstarstring("bob") → "" with printed error msg: "error: no star called bob could be found."