Simple eligibility
Input
18
Output
True
Age 18 is eligible.
Full lesson preview
Validate Voter Age
Check whether a person is old enough to vote (18+).
Python practice6 minControl Flow (If–Else Logic)BeginnerLast updated March 15, 2026
Problem statement
Write a function is_eligible_voter(age) that takes an integer age and returns True if the age is 18 or older (eligible to vote), otherwise returns False. Handle unexpected ages (e.g., negative values) by returning False.
Task
Use if/else to return True when age is 18 or older, otherwise return False.
Examples
Input format
A single integer argument: age.
Output format
Return a boolean: True if age >= 18, otherwise False.
Constraints
Age will be an integer. Treat negative ages as not eligible.
Samples
Sample 1
Input
20
Output
True
20 is >= 18, so eligible.