Problem Set: String Array Manipulation

This section contains a number of selected problems for the String Array Manipulation section.

It is recommended that you review the problems, and complete a few before moving on to the next section.

Problem #1: A Bit Pushy

||arrays:Push|| and ||arrays:pop|| can be used to modify arrays, so that they store the values you want.

In the snippet below, ||functions:printArray|| is used to print out each value in an array. Run the code, and notice the format of the output to the console.

Use ||arrays:push|| and ||arrays:pop|| to modify ||variables:input||, so that the call to ||functions:printArray|| will output the following:

I like to program in MakeCode Arcade

/**
 * Prints all the words in the given array, separated by spaces, to the console
 * @param words an array of words to print
 */
function printArray(words: string[]) {
    let output: string = "";
    for (let i = 0; i < words.length; i++) {
        output += words[i] + " ";
    }
    console.log(output);
}
let input: string[] = ["I", "like", "to", "cook", "dinner"];

// Add your code here

printArray(input);

Problem #2: While You Don’t Say That

You have somehow grown a distaste for the word “that”.

Write a small game that will continue to ||game:ask|| the user for a string until the user has inputted the word “that”. When that happens, ||game:splash|| “I don’t like that!” and end the game.

Problem #3: Pretty Printing

Fill in ||functions:printArray|| below as described in the function comment. Make sure that the output for the three tests match the expected output listed in the comment on each line.

/**
 * Prints all the words in the given array, separated by the given separator, to the console
 * @param words an array of words to print
 * @param seperator the separator placed in between the different elements of the array
 */
function printArray(words: string[], separator: string) {
    // Add your code here
}

// Tests!
printArray(["Simple", "Test"], " ");        // Should output `Simple Test`
printArray(["Hi", "I", "am", "me"], "!");   // Should output `Hi!I!am!me`
printArray(["Test", "Code", "Here"], "<>"); // Should output `Test<>Code<>Here`

Problem #4: Chatty Bot

Create a simple “Chatbot”, that will ||game:ask|| the player for a string with the prompt being a random string from an ||arrays:Array|| you make. Be sure to fill up the ||arrays:Array|| with a number of prompts, to make the bot interesting!

During the conversation, maintain a “log” in the console, and identify whether the bot or user entered that. For example, this might look like the following transcript:

bot: what is your favorite color?
user: red
bot: how are you?
user: good
bot: what is your favorite color?