January_Player Python Answer

 import java.util.Arrays;

import java.util.Scanner;

public class Solution {

    public static void main(String[] args) {

        Inventory[] inventories = new Inventory[4];

        Scanner sc = new Scanner(System.in);

        for (int i = 0; i < inventories.length; i++) {

            String inventoryId = sc.nextLine();

            int maximumQuantity = sc.nextInt();

            sc.nextLine();

            int currentQuantity = sc.nextInt();

            sc.nextLine();

            int threshold = sc.nextInt();

            sc.nextLine();

            inventories[i] = new Inventory(inventoryId, maximumQuantity, currentQuantity, threshold);

        }

        int limit = sc.nextInt();

        sc.close();

        Inventory[] result = replenish(inventories, limit);

        for (int i = 0; i < result.length; i++){

            if (result[i].getThreshold() >= 75)

                System.out.println(result[i].getInventoryId() + " Critical Filling");

            else if (result[i].getThreshold() >= 50 && result[i].getThreshold() <= 74)

                System.out.println(result[i].getInventoryId() + " Moderate Filling");

            else

                System.out.println(result[i].getInventoryId() + " Non-Critical Filling");

        }

    }

    public static Inventory[] replenish(Inventory[] inventories, int limit){

        Inventory[] refined = new Inventory[0];

        for (int i = 0; i < inventories.length; i++){

            if (inventories[i].getThreshold() <= limit){

                refined=Arrays.copyOf(refined, refined.length+1);

                refined[refined.length-1] = inventories[i];

            }

        }

        return refined;

    }

}

class Inventory{

    String inventoryId;

    int maximumQuantity;

    int currentQuantity;

    int threshold;

    public Inventory(String inventoryId, int maximumQuantity, int currentQuantity, int threshold){

        this.inventoryId = inventoryId;

        this.maximumQuantity = maximumQuantity;

        this.currentQuantity = currentQuantity;

        this.threshold = threshold;

    }

    public String getInventoryId(){

        return inventoryId;

    }

    public int getThreshold(){

        return threshold;

    }

}