Question

Which of the following can be used as valid variable identifiers in Python?

i) 4th Sum ii) Total iii) Number# iv) 5Data​

Answer 1

$\Huge\bf\maltese{\underline{\green{Answer°᭄}}}\maltese$

$\implies$$\large\bf{\underline{\red{iii) Number. }}}$

REASON:-

Identifiers can be a combination of letters in lowercase (a to z) or uppercase (A to Z) or Numbers (0 to 9) or an underscore _ . Names like myClass , var_1 and print_this_to_screen , all are valid example.

$\boxed{I \:Hope\: it's \:Helpful}$

Answer 2

"Total" can be used as valid variable identifiers in Python. Option(ii) is the correct answer.

• Data elements are kept in variables as storage.
• Declaring a variable is not a command available in Python.
• When a variable is first given a value, it is considered to have been created. Variables can change their type after they are set and are not required to be declared with a specific type. A variable's name can be short (like x and y) or longer (like age, carname, or total volume).
• conditions for declaring a Python variable:
• The underscore character or a letter must come first in a variable name.
• No number may begin a variable name.
• Only underscores (A-z, 0-9, and _) and alphanumeric characters are permitted in variable names.
• Variable names are case-sensitive (age, Age and AGE are three different variables) (age, Age and AGE are three different variables)

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