Replace typing.optional with new annotations syntax (#5829) · zinating/algorithms-python@1ae5abf · GitHub
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Replace typing.optional with new annotations syntax (TheAlgorithms#5829)
* Replace typing.optional with new annotations syntax * updating DIRECTORY.md Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com>
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‎DIRECTORY.md‎

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‎data_structures/linked_list/__init__.py‎

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head node gives us access of the complete list
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- Last node: points to null
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"""
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from __future__ import annotations
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from typing import Any, Optional
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from typing import Any
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class Node:
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class LinkedList:
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def __init__(self) -> None:
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self.head: Optional[Node] = None
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self.head: Node | None = None
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self.size = 0
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def add(self, item: Any) -> None:

‎data_structures/linked_list/circular_linked_list.py‎

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from typing import Any, Iterator, Optional
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from __future__ import annotations
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from typing import Any, Iterator
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class Node:
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def __init__(self, data: Any):
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self.data: Any = data
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self.next: Optional[Node] = None
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self.next: Node | None = None
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class CircularLinkedList:

‎data_structures/linked_list/has_loop.py‎

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from typing import Any, Optional
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from __future__ import annotations
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from typing import Any
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class ContainsLoopError(Exception):
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class Node:
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def __init__(self, data: Any) -> None:
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self.data: Any = data
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self.next_node: Optional[Node] = None
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self.next_node: Node | None = None
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def __iter__(self):
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node = self

‎data_structures/linked_list/middle_element_of_linked_list.py‎

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from typing import Optional
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from __future__ import annotations
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class Node:
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self.head = new_node
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return self.head.data
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def middle_element(self) -> Optional[int]:
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def middle_element(self) -> int | None:
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"""
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>>> link = LinkedList()
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>>> link.middle_element()

‎maths/pollard_rho.py‎

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