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ReversekLinkedList.py
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ReversekLinkedList.py
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class Node:
def __init__(self,value):
self.value = value
self.link = None
class ReversekLinkedList:
def __init__(self):
self.head = None
def newlist(self,n):
for i in range(n):
value = int(input("Element:"))
self.insert(value)
def insert(self, value):
temp = Node(value)
if self.head is None:
self.head = temp
return
a = self.head
while a.link is not None: a = a.link
a.link = temp
def reverseklist(self,k):
x = 1
a = self.head
temp = None
while x <= k:
link = a.link
if x == k: b = a.link
#turning links
a.link = temp
temp = a
a = link
x += 1
self.head = temp
a = self.head
while a.link is not None: a = a.link
a.link = b
def displaylist(self):
if self.head is None: return
else:
a = self.head
while a is not None:
print(a.value),
a = a.link
print("\n")
list = ReversekLinkedList()
list.newlist(n = int(input("Number of nodes:")))
list.reverseklist(k = int(input("K:")))
list.displaylist()