In this HackerRank Ruby Tutorial - Object Methods problem solution Each object in Ruby may have methods associated with it. To demonstrate this, we want you to print whether a number is even or odd. A number has an even? the method associated with it, which returns true or false based on the parity of the number.
Assuming a variable number is already defined, check whether a given number is even or not.
Input Format
The first line of input contains an integer n. The next n contains one integer in each line.
Problem solution.
def odd_or_even(number) return number.even? end (0...gets.to_i).each do |i| puts odd_or_even(gets.to_i) end
Here above is the video that will show you the solution
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