Identifying Valid Identifiers and Data Types

Which of the following is a valid identifier:

• 101_dalmatian

• MAX_ENTRIES

• return

• listOf Passers

Explain why 'part#2' is an invalid identifier.

• Invalid identifier due to the presence of a special character '#', which is not allowed.

• Identifiers can include special characters like '#' without issue.

• The identifier is valid as it only includes letters and numbers.

• Valid identifier because it starts with 'part' and contains numbers.

Is 'return' a valid identifier? Why or why not?

• No, 'return' is not a valid identifier.

• 'return' can be used as an identifier in certain programming languages.

• Yes, 'return' is a valid identifier because it is not a reserved word.

• 'return' is a valid identifier as it does not start with a number.

Identify the data type of the value 15.

• float

• integer

• string

• boolean

What data type does the character 'X' represent?

• float

• char

• integer

• boolean

Is '7Up' a valid identifier? Provide an explanation.

• No

• Yes

• 7Up is a valid variable name in Python

• It can be used if prefixed with a letter

Determine the data type of the value 25.132.

• integer

• float

• boolean

• string

Explain why 'Sue’s' is not a valid identifier.

• Sue’s is valid as it contains only letters.

• Sue’s is valid because it has no spaces.

• Sue’s is valid because it starts with a capital letter.

• Sue’s is not a valid identifier because it contains an apostrophe.

What is the data type of the value -999?

• boolean

• float

• string

• integer

Is 'this_is_a_long_one' a valid identifier?

• definitely not

• Yes

• no

• maybe