Sign of a Number

Return 'positive', 'negative', or 'zero' based on the input number.

conditionals numbers comparison

Write a function `sign_of_number(n: float) -> str` that takes a numeric value `n` and returns:
- `"positive"` if `n > 0`
- `"negative"` if `n < 0`
- `"zero"` if `n == 0`

No imports are allowed. Input will be a real number (integer or float).

Constraints

Input will be a real number (int or float). Do not use any external libraries.

Example

>>> sign_of_number(5)
'positive'
>>> sign_of_number(-2.5)
'negative'
>>> sign_of_number(0)
'zero'

5 points ~5 min

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Hints

Use if-elif-else statements.

Compare n to 0 in each condition.

Return exactly one of the three strings.

Test Results

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