Practice A. For Loop (3.4.1) - Chapter 3: Control Flow Statements

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10 questions

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6 sample questions

Question 1.
Write a for loop to print numbers from 1 to 10.
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Remember to start from 1 and go up to 10.
Question 2.
Modify the loop to print even numbers from 2 to 20.
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Think about how you can skip odd numbers.
3Question 3.
What does a for loop do in programming?
- It executes code randomly
- It repeats code a fixed number of times
- It executes code only once
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Think about the purpose of loops.
4Question 4.
True or False: A for loop can iterate through an array.
- True
- False
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Recall how we've used for loops with arrays in class.
Question 5.
Using a for loop, write a program to print a triangle of asterisks where the number of rows is provided by the user.
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You will need a nested loop to manage the number of asterisks in each row.
Question 6.
Create a for loop that reverses a string provided by the user and prints it.
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You will iterate from the end of the string to the beginning.

6 more questions in this section. Enroll free to practise them all.