python question please also explain what happens after the code is run

ALL 9. (10 pts) Read Sections 3.4 and 3.5 carefully. Please read those two sections several times and try to understand every detail. Given the following function definition and function call, write down the output of the print (myListi) and print (myList2). Use the space on the right of the code to explain what happens after the code is run. (Note: After you read the sections, you can use pythontutor.com to help you visualize the execution). def replace_first (alist): aList[0] - 42 myList1 = [8] myList2 = [3, 6, 9, 121 replace_first (myListi) print (myListi) replace_first (myList2) print (myList2)