Question

Which function should be used to validate that input is not a string before performing arithmetic?

Answer 1

CU is used to validate that input is not a string before performing arithmetic.

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Answer 2

'IsNumeric' function should be "used to validate that input" is not a string before performing arithmetic.

Explanation:

The following are used to "check the input" is not a string in the system.

The "ISNUMERIC () function" is used to evaluate an expression which returns 1 if it is a valid numeric expression, or returns 0 otherwise. In this syntax, the expression is any valid expression to be evaluated.

In Python "isnumeric() is a built-in method" used for "string handling". In a string when all are numeric characters; the "isnumeric()" method returns "True", otherwise returns "False".