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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does x += 5 do if x is initially 10?
💡 Hint: Think about what adding 5 to the initial value of x results in.
Question 2
Easy
If a = 4; a *= 2;, what is the value of a?
💡 Hint: Multiply the value of a by 2.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What operator is used to add and assign in one step?
- -=
- +=
- *=
💡 Hint: Look for the operator that combines addition and assignment.
Question 2
Using x = 10; x *= 2;, what is the value of x?
💡 Hint: Think about how `*=` modifies the variable.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
If let num = 25; num += num / 5; what is the final value of num?
💡 Hint: Divide first, then add to the original number.
Question 2
Write a code snippet that uses multiple assignment operators on a variable x starting at 10. Use +=, -=, and /=.
💡 Hint: Perform stepwise calculations to see how x changes.
Challenge and get performance evaluation