What is a key use case for a for loop in programming?
Rust Programming Master Class from Beginner to Expert - For Loops and Its Variants

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Computers
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9th - 10th Grade
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Hard
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When the number of iterations is unknown
When iterating over elements of an array or vector
When executing code only once
When handling asynchronous tasks
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a for loop, what is typically used as the iterating variable?
x
n
i
v
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does the for loop behave when iterating over a vector using an index?
It iterates over the vector in reverse order
It skips every other element
It only accesses the first element
It accesses each element by its index
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the variable 'i' when using 'for i in some_VEC'?
It becomes a constant
It remains unchanged
It takes ownership of the vector elements
It becomes a reference to the vector
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of the iter function in Rust?
To create a new vector
To borrow values from a collection
To delete elements from a vector
To sort a vector
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the type of 'i' when using 'for i in some_VEC.iter()'?
i32
&i32
f32
&f32
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the dereference operator (*) do in Rust?
It increments a variable
It deletes a variable
It accesses the actual value of a pointer
It creates a new variable
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