1
0
forked from UNN/2026-rff_mp
2026-rff_mp/BudakovIS/docs/LinkedListPhoneBook.py

92 lines
1.8 KiB
Python

head = None
#node1 = {'name' : 'Ivan', 'phone' : '123-456', 'next' : None}
#head = node1
#node2 = {'name' : 'Dima', 'phone' : '789-123', 'next' : None}
#node1['next'] = node2
def ll_insert(head, name, phone):
curent = head
while curent is not None:
if curent['name'] == name:
curent['phone'] = phone
return head
curent = curent['next']
n_node = {'name' : name, 'phone' : phone, 'next' : None}
if head is None:
return n_node
curent = head
while curent['next'] is not None:
curent = curent['next']
curent['next'] = n_node
return head
print("====== TESTING ll_insert FUNC ========")
head = ll_insert(head,'Ivan','123-456')
print(head)
head = ll_insert(head, 'Boris', '123-456')
print(head)
head = ll_insert(head, 'Ivan', '321-654')
print(head)
head = ll_insert(head, 'Dima', '345-678')
print(head)
head = ll_insert(head, 'Boris', '111-222')
print(head)
print(f"======= END TEST =======\n\n\n")
def ll_find(head, name):
curent = head
while curent is not None:
if curent['name'] == name:
return curent['phone']
curent = curent['next']
return None
print("====== TESTING ll_find FUNC ======")
print("Ivan`s phone: "+ ll_find(head, 'Ivan'))
print("Dima`s phone: "+ ll_find(head, 'Dima'))
print("Boris phone: "+ ll_find(head, 'Boris'))
print(f"====== END TEST ======\n\n\n")
def ll_delete(head, name):
if head is None:
return None
if head['name'] == name:
return head['next']
prev = head
curent = head['next']
while curent is not None:
if curent['name'] == name:
prev['next'] = curent['next']
return head
prev = curent
curent = curent['next']
return head
print("Del of Dima:", ll_delete(head, 'Dima'))