Knowledge check

Choose the best response for each question. Then select Check your answers.

Check your knowledge

How would you declare a variable, holding an integer, whose value you want to be able to change?

Enter the code let number = 1.

Enter the code let mutable number = 1.

Enter the code let mut number = 1.

What formatter would you use to format an integer?

Use the %s formatter.

Use $"{variable}".

Use the %i formatter.

What's the correct operator for equality?

The correct operator to use is =.

The correct operator to use is <>.

The correct operator to use is ==.

You must answer all questions before checking your work.