


from __future__ import annotations

from collections.abc import Iterator
from typing import Any



class    UpperCAmelCase_	:
       '''simple docstring'''






       def __init__(     self ,					__SCREAMING_SNAKE_CASE						):




              """simple docstring"""




              UpperCamelCase    :	Any   	=		data
              UpperCamelCase    :	Node | None   	=		None




class    UpperCAmelCase_	:
       '''simple docstring'''






       def __init__(     self						):




              """simple docstring"""




              UpperCamelCase    :	str   	=		None
              UpperCamelCase    :	Union[str, Any]   	=		None






       def __iter__(     self						):




              """simple docstring"""




              UpperCamelCase    :	int   	=		self.head
              while self.head:
                     yield node.data
                     UpperCamelCase    :	List[str]   	=		node.next
                     if node == self.head:
                            break






       def __len__(     self						):




              """simple docstring"""




              return sum(1 for _ in self						)






       def __repr__(     self						):




              """simple docstring"""




              return "->".join(str(__SCREAMING_SNAKE_CASE						) for item in iter(self						)						)






       def  _lowercase   (     self ,					__SCREAMING_SNAKE_CASE						):




              """simple docstring"""




              self.insert_nth(len(self						) ,					__SCREAMING_SNAKE_CASE						)






       def  _lowercase   (     self ,					__SCREAMING_SNAKE_CASE						):




              """simple docstring"""




              self.insert_nth(0 ,					__SCREAMING_SNAKE_CASE						)






       def  _lowercase   (     self ,					__SCREAMING_SNAKE_CASE ,					__SCREAMING_SNAKE_CASE						):




              """simple docstring"""




              if index < 0 or index > len(self						):
                     raise IndexError('''list index out of range.'''						)
              UpperCamelCase    :	Optional[int]   	=		Node(__SCREAMING_SNAKE_CASE						)
              if self.head is None:
                     UpperCamelCase    :	Any   	=		new_node  # first node points itself
                     UpperCamelCase    :	str   	=		new_node
              elif index == 0:  # insert at head
                     UpperCamelCase    :	Tuple   	=		self.head
                     UpperCamelCase    :	Dict   	=		new_node
              else:
                     UpperCamelCase    :	List[Any]   	=		self.head
                     for _ in range(index - 1						):
                            UpperCamelCase    :	Any   	=		temp.next
                     UpperCamelCase    :	Any   	=		temp.next
                     UpperCamelCase    :	Dict   	=		new_node
                     if index == len(self						) - 1:  # insert at tail
                            UpperCamelCase    :	Any   	=		new_node






       def  _lowercase   (     self						):




              """simple docstring"""




              return self.delete_nth(0						)






       def  _lowercase   (     self						):




              """simple docstring"""




              return self.delete_nth(len(self						) - 1						)






       def  _lowercase   (     self ,					__SCREAMING_SNAKE_CASE = 0						):




              """simple docstring"""




              if not 0 <= index < len(self						):
                     raise IndexError('''list index out of range.'''						)
              UpperCamelCase    :	Tuple   	=		self.head
              if self.head == self.tail:  # just one node
                     UpperCamelCase    :	int   	=		None
              elif index == 0:  # delete head node
                     UpperCamelCase    :	str   	=		self.tail.next.next
                     UpperCamelCase    :	List[str]   	=		self.head.next
              else:
                     UpperCamelCase    :	List[Any]   	=		self.head
                     for _ in range(index - 1						):
                            UpperCamelCase    :	str   	=		temp.next
                     UpperCamelCase    :	Optional[Any]   	=		temp.next
                     UpperCamelCase    :	List[Any]   	=		temp.next.next
                     if index == len(self						) - 1:  # delete at tail
                            UpperCamelCase    :	Optional[Any]   	=		temp
              return delete_node.data






       def  _lowercase   (     self						):




              """simple docstring"""




              return len(self						) == 0




def      a	(							):






       """simple docstring"""





       UpperCamelCase    :	Optional[int]   	=		CircularLinkedList()
       assert len(SCREAMING_SNAKE_CASE_       ) == 0
       assert circular_linked_list.is_empty() is True
       assert str(SCREAMING_SNAKE_CASE_       ) == ""

       try:
              circular_linked_list.delete_front()
              raise AssertionError  # This should not happen
       except IndexError:
              assert True  # This should happen

       try:
              circular_linked_list.delete_tail()
              raise AssertionError  # This should not happen
       except IndexError:
              assert True  # This should happen

       try:
              circular_linked_list.delete_nth(-1       )
              raise AssertionError
       except IndexError:
              assert True

       try:
              circular_linked_list.delete_nth(0       )
              raise AssertionError
       except IndexError:
              assert True

       assert circular_linked_list.is_empty() is True
       for i in range(5       ):
              assert len(SCREAMING_SNAKE_CASE_       ) == i
              circular_linked_list.insert_nth(SCREAMING_SNAKE_CASE_							,			i + 1       )
       assert str(SCREAMING_SNAKE_CASE_       ) == "->".join(str(SCREAMING_SNAKE_CASE_       ) for i in range(1							,			6       )       )

       circular_linked_list.insert_tail(6       )
       assert str(SCREAMING_SNAKE_CASE_       ) == "->".join(str(SCREAMING_SNAKE_CASE_       ) for i in range(1							,			7       )       )
       circular_linked_list.insert_head(0       )
       assert str(SCREAMING_SNAKE_CASE_       ) == "->".join(str(SCREAMING_SNAKE_CASE_       ) for i in range(0							,			7       )       )

       assert circular_linked_list.delete_front() == 0
       assert circular_linked_list.delete_tail() == 6
       assert str(SCREAMING_SNAKE_CASE_       ) == "->".join(str(SCREAMING_SNAKE_CASE_       ) for i in range(1							,			6       )       )
       assert circular_linked_list.delete_nth(2       ) == 3

       circular_linked_list.insert_nth(2							,			3       )
       assert str(SCREAMING_SNAKE_CASE_       ) == "->".join(str(SCREAMING_SNAKE_CASE_       ) for i in range(1							,			6       )       )

       assert circular_linked_list.is_empty() is False


if __name__ == "__main__":
  import doctest

  doctest.testmod()





from pathlib import Path

import cva
import numpy as np
from matplotlib import pyplot as plt


def      a	(							SCREAMING_SNAKE_CASE_      :		np.ndarray							,			SCREAMING_SNAKE_CASE_      :		np.ndarray							,			SCREAMING_SNAKE_CASE_      :		np.ndarray							,			SCREAMING_SNAKE_CASE_      :		int							,			SCREAMING_SNAKE_CASE_      :		int       ):






       """simple docstring"""





       UpperCamelCase    :	str   	=		cva.getAffineTransform(SCREAMING_SNAKE_CASE_							,			SCREAMING_SNAKE_CASE_       )
       return cva.warpAffine(SCREAMING_SNAKE_CASE_							,			SCREAMING_SNAKE_CASE_							,			(rows, cols)       )


if __name__ == "__main__":
  # read original image
  __UpperCAmelCase : Tuple 			=				cva.imread(
      str(Path(__file__).resolve().parent.parent / "image_data" / "lena.jpg")
  )
  # turn image in gray scale value
  __UpperCAmelCase : int 			=				cva.cvtColor(image, cva.COLOR_BGR2GRAY)
  # get image shape
  __UpperCAmelCase			,    __UpperCAmelCase : Tuple 			=				gray_img.shape

  # set different points to rotate image
  __UpperCAmelCase : Optional[int] 			=				np.array([[50, 50], [200, 50], [50, 200]], np.floataa)
  __UpperCAmelCase : Optional[int] 			=				np.array([[10, 100], [200, 50], [100, 250]], np.floataa)
  __UpperCAmelCase : Any 			=				np.array([[50, 50], [150, 50], [120, 200]], np.floataa)
  __UpperCAmelCase : int 			=				np.array([[10, 100], [80, 50], [180, 250]], np.floataa)

  # add all rotated images in a list
  __UpperCAmelCase : Union[str, Any] 			=				[
      gray_img,
      get_rotation(gray_img, ptsa, ptsa, img_rows, img_cols),
      get_rotation(gray_img, ptsa, ptsa, img_rows, img_cols),
      get_rotation(gray_img, ptsa, ptsa, img_rows, img_cols),
  ]

  # plot different image rotations
  __UpperCAmelCase : List[str] 			=				plt.figure(1)
  __UpperCAmelCase : Dict 			=				["Original", "Rotation 1", "Rotation 2", "Rotation 3"]
  for i, image in enumerate(images):
    plt.subplot(2, 2, i + 1), plt.imshow(image, "gray")
    plt.title(titles[i])
    plt.axis("off")
    plt.subplots_adjust(left=0.0, bottom=0.05, right=1.0, top=0.95)
  plt.show()

