Exercise \# 2: Using nested for loops, write a program to display the pattern shown in the sample runs below. Note: in the first line, A is printed n times where n represents the integer value entered by the user. Hint: use chr and ord functions to go from A to B to C etc.. Sample run 1: Enter an integer between 1 and 15:5 wrong input: number must be between 1 and 15 Sample run2: Enter an integer between 1 and 15:5 5 4BBBB 3CCC 2DD 1E Sample run3: Enter an integer between 1 and 15: 12 11BBBBBBBBBBB 10 CCCCCCCCCC 9 DDDDDDDDD 8 EEEEEEEE 7 FFEFEFF 6 GGGGGG 5HHHHH 4 IIII 3JJJ 2KK 1L