8 What do you need to declare a variable SolutionQ8 Need of

8. What do you need to declare a variable?

Solution

Q-8) Need of declaration of a variable due to following reason

If you not declare a variable, than it would not get defined means declaration gives variable a definition which is must because it will throw an error that \" the variable is not defined \".

Declaration of a variable serves two purposes:

Q-11) Modularized Programs

Q-2) A Constant is used to map an exact and unchanging value to a variable name.

Constants are used in programming to make code a bit more robust and human readable.

Q-5) Loop Structures allow you to run one or more lines of code repetitively. You can repeat the statements in a loop structure until a condition is True, until a condition is False, a specified number of times, or once for each element in a collection.

Use of them due to following reason: