2026-rff_mp/lukovnikovde/docs/data/DataStructure.py

import random as rnd
#############################################################################################

def sort_list(name_list):
    l = len(name_list)
    for i in range(l - 1):
        for j in range(l - i - 1):
            if name_list[j][0] > name_list[j + 1][0]:
                name_list[j], name_list[j + 1] = name_list[j + 1], name_list[j]
    return name_list
 

###########################################################################################################################

def ll_insert(head, name, phone):
    next_node = {'name': name, 'phone': phone, 'next': None}
    if head is None: return next_node 

    running = head
    while running is not None:
        if running['name'] == name:
            running['phone'] = phone
            return head
        running = running['next']

    running = head
    while running['next'] is not None: running = running['next']
    running['next'] = next_node
    return head

def ll_find(head, name):
    running = head

    while True:
        if running['name'] == name:
            return running['phone']
        running = running['next']
        if running is None: break

    return None


def ll_delete(head, name):
    running = head
    
    if running['name'] == name: 
        return head['next']

    while running['next']['name'] != name: 
        running = running['next']
        if  running['next']['next'] is None:
            if running['next']['name'] != name:
                return head
    if running['next']['next'] is None: 
        running['next'] = None
    else: running['next'] = running['next']['next']

    return head
    

def ll_list_all(head):
    name_list = []
    running = head
    while running is not None:
        name_list.append((running['name'], running['phone']))     
        running = running['next']
    return name_list

################################################################################################################################


def LinkedList(head):

    print('======== TESTING LL_INSERT ==========')
    Name = ['Dima', 'Ivan', 'Maxim', 'Alex', 'Olga', 'Lena']

    for _ in range(10):
        name = Name[rnd.randint(0, len(Name) - 1)]
        phone = str(rnd.randint(0,9)) + str(rnd.randint(0,9)) + str(rnd.randint(0,9)) + '-' + \
                str(rnd.randint(0,9)) + str(rnd.randint(0,9)) + str(rnd.randint(0,9)) 
        print(name, phone)
        head = ll_insert(head, name, phone)
        print(head)
        print('-----------------------------------\n')
    print('======== END TESTING ================\n\n')


    print('======== TESTING LL_FIND ==========') 
    Name.append('Masha')
    for i in range(len(Name)):
        name = Name[i]
        print(name, ":", ll_find(head, name))
    print("======== END TESTING =============\n\n")

    print("============ TESTING LL_LIST_ALL  AND SORT_LIST =============")
    print(*sort_list(ll_list_all(head)))
    print("============ END TESTING ===============\n\n")

    print('========== TESTING LL_DELETE ==========')
    
    for _ in range(2):
        name = Name[rnd.randint(0, 4)]
        head = ll_delete(head, name)

        print(head)
        print(name, ":", ll_find(head, name))
    print("========= END TESTING ==============\n\n")

#########################################################################################################

def ht_insert(buckest, name, phone):
    index = sum(ord(ch) for ch in name) % 10
    for i, (Name, Phone) in enumerate(buckest[index]):
        if Name == name:
            buckest[index][i] = (name, phone)
            return buckest
    buckest[index].append((name, phone))
    return buckest

def ht_find(buckest, name):
    index = sum(ord(ch) for ch in name) % 10
    for (Name, Phone) in buckest[index]:
        if Name == name:
            return Phone
    return None

def ht_list_all(buckest):
    
    name_list = []

    for index in range(len(buckest)):
        for i, (name, phone) in enumerate(buckest[index]):
            name_list.append((name, phone))

    name_list = sort_list(name_list)

    return name_list


def ht_delete(buckest, name):
    index = sum(ord(ch) for ch in name) % 10
    for i, (Name, Phone) in enumerate(buckest[index]):
        if Name == name:
            del buckest[index][i]
    return buckest


####################################################################################################

def HashTable(buckest):

    print('=========== TESTING HT_INSERT =============')
    Name = ['Dima', 'Alex', 'Ivan', 'Maxim', 'Olga', 'Lena']

    for _ in range(10):
        name = Name[rnd.randint(0, len(Name) - 1)]
        phone = str(rnd.randint(0,9)) + str(rnd.randint(0,9)) + str(rnd.randint(0,9)) + '-' + \
                str(rnd.randint(0,9)) + str(rnd.randint(0,9)) + str(rnd.randint(0,9))

        print(name, phone)
        buckest = ht_insert(buckest, name, phone)
        print(buckest)
        print('-----------------------------------------------------\n')
    
    print('============= END TESTING =====================\n\n')


    print('============== TESTING HT_FIND =====================')

    Name.append('Masha')
    for i in range(len(Name)):
        name = Name[i]
        print(name, ":", ht_find(buckest, name))
    print("======== END TESTING =============\n\n")

    print("================ TESTING TH_LIST_ALL ====================")

    print(*ht_list_all(buckest))
    print("========= END TESTING ==============\n\n")


    print('========== TESTING HT_DELETE ==========')
    
    for _ in range(2):
        name = Name[rnd.randint(0, len(Name) - 1)]
        head = ht_delete(buckest, name)

        print(buckest)
        print(name, ":", ht_find(buckest, name))
    print("========= END TESTING ==============\n\n")

#################################################################################################
def main():
    
    LinkedList(None)
    HashTable([[] for _ in range(10)])

if __name__ == "__main__":
    main()