please use python language, and give the code!!!

Write a program that reads numbers and adds them to a list if they aren't already contained in the list. When the list contains ten numbers, the program displays the contents of the list and quits. 1. Write a program that generates a sequence of 20 random values between 0 and 99 in a list, prints the sequence, sorts it and prints the sorted sequence. Use the list sort 2. seed