ll.py

# single linked list
class Node():
    def __init__(self,data):
        self.data=data
        self.next=None
class single_linkedlist():
    def __init__(self):
        self.Head=None
        self.tail=None
        self.count=0
    def take_inputs(self):
        data=[int(i) for i in input('enter data').split(" ")]
        #[10,20,30,40]

        if len(data)==0:
            return 0
        
        for i in data:
            node=Node(i)
            if self.count==0:
                self.head=node
                self.tail=node
            else:
                self.tail.next=node
                self.tail=node
            self.count+=1
        return self.head
    def print_linklist(self,head):
        if head is None:
            return head.data
        
        while head is not None:
            print(head.data,end='->')
            head=head.next
    
    def add_node(self):
        pass

    def delete_node(self):
        pass

    def size(self):
        return self.count
list=single_linkedlist()
head=list.take_inputs()
list.print_linklist(head)
print(list.count)