Week 4- In Class Coding Packet Instructions: For each Exercise below, write your code in an IDE and run your code within the IDE as well. Once you have satisfied the Exercise requirements, paste your code below under the corresponding Exercise.

Question 12 What is the label to reach the commands to invoke the Operating System O/S? Question 13 What register contains the value for conditional statement for execution of the loop?

Insert these values 8, 35 and 99 (in this order) in the given BST. Show the final BST after inserting those three items. Draw the new BST with the new items added. / 30 64 1 75 / \/ \ 10 40 70 80 // \ \ 38 68 73 90 Answer:

def read_flights(flights_source: TextIO, routes: RouteDict) -> FlightDir:    """Return the flights from flights_source, including only the ones    that have an entry in routes.     >>> from io import StringIO    >>> flight_src = StringIO(TEST_FLIGHTS_SRC)    >>> actual = read_flights(flight_src, TEST_ROUTES_DICT_FOUR_CITIES)    >>> actual == TEST_FLIGHTS_DIR_FOUR_CITIES    True    """    flights = []    src_index = FLIGHT_DATA_INDEXES["Source airport"]    dst_index = FLIGHT_DATA_INDEXES["Destination airport"]     # Complete this function.    for line in routes_source: