Podcast
Questions and Answers
What does the loop do in the code for "Reading the list in the opposite way"?
What does the loop do in the code for "Reading the list in the opposite way"?
The loop displays the content of the list in reverse order, starting from the last item and working back to the first.
What is the purpose of this line of code? sum=sum+v[i]
What is the purpose of this line of code? sum=sum+v[i]
It adds the current item of the array (v[i]) to the sum variable, effectively keeping a running total.
The line of code v[i]=TextWindow.Read()
reads a value from the keyboard.
The line of code v[i]=TextWindow.Read()
reads a value from the keyboard.
True
The line of code TextWindow.WriteLine("fill in item "+i+" of the list")
is used to display a message on screen.
The line of code TextWindow.WriteLine("fill in item "+i+" of the list")
is used to display a message on screen.
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Explain the role of TextWindow.WriteLine("The value of the item "+i+" is "+sum)
.
Explain the role of TextWindow.WriteLine("The value of the item "+i+" is "+sum)
.
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What is the purpose of the program you wrote in the "practice" section?
What is the purpose of the program you wrote in the "practice" section?
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What parameters changed in the code to be able to display the content of the list in the opposite way?
What parameters changed in the code to be able to display the content of the list in the opposite way?
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What does the phrase "the loop is turning in opposite way starting from Value "5" to reach "1" " mean?
What does the phrase "the loop is turning in opposite way starting from Value "5" to reach "1" " mean?
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Study Notes
Reading Lists in Opposite Order
- A program can display a list in reverse order
- Parameters that change for reverse order display are not detailed.
Setting Counter Values
- The counter starts at 5 and decrements
- Loops through elements in reverse order
Small Basic Program
- The program takes user input for a list of numbers.
- The program calculates the sum of those numbers.
- The sum is then displayed.
Dialogue with User
- The program prompts for the length of the input list
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Description
This quiz covers fundamental programming concepts related to lists, including displaying them in reverse order and manipulating counter values. Additionally, it touches on a simple program for taking user input to calculate the sum of a list of numbers. Test your knowledge on these essential programming principles.