Problem 1 Create a new NumPy array named int_ra_array from ls_list. Set the data type of int_ra_array to an integer. Output int_ra_array's elements and their data type. ls_list =[57993,23.8,72.3,1977] Problem 2 Create a new array named str_ba_array by adding the string "Boston College" to int_ra_array. Output str_ba_array's elements and their data type