my_hash_set = [None,'Jones',None,'Lisa',None,'Bob',None,'Siri','Pete',None]

​

def hash_function(value):

    sum_of_chars = 0

    for char in value:

        sum_of_chars += ord(char)

​

    return sum_of_chars % 10

def contains(name):

    index = hash_function(name)

    return my_hash_set[index] == name

​

print("'Pete' is in the Hash Set:",contains('Pete'))

​

#Python

#include <stdio.h>

#include <string.h>

​

char* myHashSet[10] = {NULL, "Jones", NULL, "Lisa", NULL, "Bob", NULL, "Siri", "Pete", NULL};

​

int hashFunction(const char* value) {

    int sumOfChars = 0;

    while (*value) {

        sumOfChars += (int)*value;

        value++;

    }

    return sumOfChars % 10;

}

​

int contains(const char* name) {

    int index = hashFunction(name);

    if (myHashSet[index] != NULL && strcmp(myHashSet[index], name) == 0) {

        return 1; // True

    }

    return 0; // False

}

​

int main() {

    printf("'Pete' is in the Hash Set: %s\n", contains("Pete") ? "true" : "false");

    return 0;

}

​

// C

public class Main {

    static final String[] myHashSet = {null, "Jones", null, "Lisa", null, "Bob", null, "Siri", "Pete", null};

​

    public static void main(String[] args) {

        System.out.println("'Pete' is in the Hash Set: " + contains("Pete"));

    }

​

    public static int hashFunction(String value) {

        int sumOfChars = 0;

        for (char c : value.toCharArray()) {

            sumOfChars += c;

        }

        return sumOfChars % 10;

    }

​

    public static boolean contains(String name) {

        int index = hashFunction(name);

        return myHashSet[index] != null && myHashSet[index].equals(name);

    }

}

​

//Java