<jupyter_start><jupyter_text>1. A variable name cannot start with...?  Ans: a number  2. Which of the following variables are valid names? (Three are correct.)  Ans: my_var1, _1myVar, myVar  3. Formally, creating a variable is called?  Ans: declaring  4. Formally, assigning a variable its first value is called?  Ans: initialising  5. What does a equal at the end of executing the following code?<jupyter_code>var a = 3;
var b = 23;
var c = b; 
a = c;<jupyter_output><empty_output><jupyter_text>Ans: 23  6. What does the variable 'a' equal at the end of the setup() function in the code snippet below?<jupyter_code>var a = 0;

function setup()
{
	createCanvas(400, 200);
	a = width;
}<jupyter_output><empty_output><jupyter_text>Ans: 400  7. What does the variable 'a' equal at the end of the setup() function in the code snippet below?<jupyter_code>var a = 0;

function setup()
{
	createCanvas(400, 200);
	a(height);
}<jupyter_output><empty_output>
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