from __future__ import annotations

from typing import Any



class     _A   (    _UpperCamelCase							):
  pass



class     _A   :


  def __init__(self   ,				SCREAMING_SNAKE_CASE_	)		->      None:





       '''simple docstring'''





       UpperCamelCase__										=      data
       UpperCamelCase__										=      None


  def __iter__(self	)		->      int:





       '''simple docstring'''





       UpperCamelCase__										=      self
       UpperCamelCase__										=      []
       while node:
            if node in visited:
                 raise ContainsLoopError
            visited.append(__a	)
            yield node.data
            UpperCamelCase__										=      node.next_node





  @property
  def 		_a					(self	)		->      bool:





       '''simple docstring'''





       try:
            list(self	)
            return False
       except ContainsLoopError:
            return True


if __name__ == "__main__":
     __magic_name__								=Node(1)
     __magic_name__								=Node(2)
     __magic_name__								=Node(3)
     __magic_name__								=Node(4)
     print(root_node.has_loop)  # False
     __magic_name__								=root_node.next_node
     print(root_node.has_loop)  # True

     __magic_name__								=Node(5)
     __magic_name__								=Node(6)
     __magic_name__								=Node(5)
     __magic_name__								=Node(6)
     print(root_node.has_loop)  # False

     __magic_name__								=Node(1)
     print(root_node.has_loop)  # False




from __future__ import annotations







def  __UpperCamelCase    (						A ,							A							):
     UpperCamelCase__										=      get_failure_array(A							)

     # 2) Step through text searching for pattern
     UpperCamelCase__						,       UpperCamelCase__										=      0, 0  # index into text, pattern
     while i < len(A							):
          if pattern[j] == text[i]:
               if j == (len(A							) - 1):
                    return True
               j += 1

          # if this is a prefix in our pattern
          # just go back far enough to continue
          elif j > 0:
               UpperCamelCase__										=      failure[j - 1]
               continue
          i += 1
     return False







def  __UpperCamelCase    (						A							):
     UpperCamelCase__										=      [0]
     UpperCamelCase__										=      0
     UpperCamelCase__										=      1
     while j < len(A							):
          if pattern[i] == pattern[j]:
               i += 1
          elif i > 0:
               UpperCamelCase__										=      failure[i - 1]
               continue
          j += 1
          failure.append(A							)
     return failure


if __name__ == "__main__":
     # Test 1)
     __magic_name__								='''abc1abc12'''
     __magic_name__								='''alskfjaldsabc1abc1abc12k23adsfabcabc'''
     __magic_name__								='''alskfjaldsk23adsfabcabc'''
     assert kmp(pattern, texta) and not kmp(pattern, texta)

     # Test 2)
     __magic_name__								='''ABABX'''
     __magic_name__								='''ABABZABABYABABX'''
     assert kmp(pattern, text)

     # Test 3)
     __magic_name__								='''AAAB'''
     __magic_name__								='''ABAAAAAB'''
     assert kmp(pattern, text)

     # Test 4)
     __magic_name__								='''abcdabcy'''
     __magic_name__								='''abcxabcdabxabcdabcdabcy'''
     assert kmp(pattern, text)

     # Test 5)
     __magic_name__								='''aabaabaaa'''
     assert get_failure_array(pattern) == [0, 1, 0, 1, 2, 3, 4, 5, 2]



