Which of the following is an invalid variable?

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Mr. Dubey

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📊 Problem Solving and Python Programming

Q. Which of the following is an invalid variable?

(A) my_string_1
(B) 1st_string
(C) foo
(D) _

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✅ Correct Answer: (B) 1st_string

Explanation: variable names should not start with a number.

Explanation by: Mr. Dubey

variable names should not start with a number.

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