dog.c

#include <stdio.h>

int main(void) {
  int number_of_barks = 5;

  for(int i=0;i<number_of_barks;i++) {
    printf("Woof!\n");
  }

  return 0;
}

duck.rb

class Duck
  def initialize(number_of_quacks:)
    @number_of_quacks = number_of_quacks
  end

  def quack!
    @number_of_quacks.times do
      puts "Quack!"
    end
  end
end

duck = Duck.new(number_of_quacks: 5)

duck.quack!

#> Quack!
#> Quack!
#> Quack!
#> Quack!
#> Quack!