Question

Which of the following is not considered a valid identifier in Python?
(a) two2
(b) _main
(c) hello_rsp1
(d) 5 hundred
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Answer 1

Answer:

d) 5 hundred

Explanation:

so ja raha tha n hmmm I am

Answer 2

Answer:

The correct answer to the given question is:

d) 5 hundred

Explanation:

5 hundred is an invalid identifier because an identifier can't start with a number in Python.

Identifiers are names given to entities like classes, functions, variables, etc. It makes it possible to distinguish one entity from another.

Identifier writing rules:

• An identifier can be a combination of lowercase letters (a to z) or uppercase letters (A to Z) or numbers (0 to 9) or the underscore _. Names like myClass, var_1 and print_this_to_screen are all valid examples.
• The identifier cannot start with a number. 1variable is not valid, but variable1 is a valid name.
• The keyword cannot be used as an identifier.
• We cannot use special symbols like !, @, #, $,%, etc. in our identifier.
• An identifier can be of any length.

#SPJ3