do_now.md

Do Now 3.04

Quiz Announcement

We will have a quiz next class covering all of the above topics.

Discussion

Is there any topic you would like to focus on and cover more of?

In your notebook

Rank the following from easiest to hardest:

A. Importing built-in functions B. Using randint C. Abstraction/creating functions D. Passing int/str/float/bool arguments into functions E. Calling a function F. List syntax G. Return vs print

Type the following into the console

    my_list = ['a', 'b', 'c', 'd']

    # input: a list of strings
    # output: None
    def my_function(list_argument):
        list_argument[0] = 'z'
        print("Inside function: ", my_list)

    print("Before function:", my_list)
    my_function(my_list)
    print("After function:", my_list)

1. What did the program output and what is this program doing?

Bonus

Try writing a similar program but passing in an integer, my_int, instead of a list, changing the integer variable inside the function. What happens?

Do Now, Part 2

In your notebook, without running the following code, predict what its output will be:

    def double_print(input_string):
        for i in range(2):
            print(input_string)
 
    def double_concat(part1, part2):
        concat = part1 + ", " + part2
        double_print(concat)
 
    str1 = "Hello"
    str2 = "world"
    double_concat(str1, str2 + "!")