Question

2. Which of the following variable names are invalid? Justify.
(a) try
(b) 123 Hello
(c) sum
(d) abc@123​

Answer 1

Answer:

The following are invalid:-

Explanation:

(a)  try : is a keyword can’t be used as an identifier. 

(b)  123 Hello : Variable names can’t start with a digit.

(c)  abc@123 : Special characters aren’t allowed in variable names.

Hope this helps you!!!!