please I would like the codes for these questions.

please solve it

3- Write a ipt to ask the user three student names and print the known grades against each name as well as the average of them. Grades of student 1: 90 80 Grades of student 2: 88 56 Grades of student 3: 35 55 Your printed result should be like this: 75 100 42 62 73 78 Alex Sue Petter 90.00 88.00 35.00 80.00 56.00 55.00 75.00 100.00 42.00 62.00 73.00 78.00 mean 76.75 79.25 52.50 4. Write a script to prompt the user for a random matrix (3 x 4) which its elements range is between -5 and 5 then print the elements that are greater than 2. Executing the script would look like this: The elements are: 3 5 5. Write a script to prompt the user for two random matrices (3 x 4) which their elements' range is between-2 and 2 then print the identical elements between them