




from abc import ABC, abstractmethod
from typing import List, Optional



class 							_UpperCamelCase					(	__a     ):

       def __init__(		self: List[str]		)       -> List[str]:




              """simple docstring"""


              self.test()

       def lowercase (		self: Dict		)       -> Dict:




              """simple docstring"""


              UpperCamelCase_          =  0
              UpperCamelCase_          =  False
              while not completed:
                     if counter == 1:
                            self.reset()
                     UpperCamelCase_          =  self.advance()
                     if not self.does_advance(A__		):
                            raise Exception(
                                "Custom Constraint is not defined correctly. self.does_advance(self.advance()) must be true."		)

                     UpperCamelCase_       , UpperCamelCase_       , UpperCamelCase_          =  self.update(A__		)
                     counter += 1

                     if counter > 10000:
                            raise Exception("update() does not fulfill the constraint."		)

              if self.remaining() != 0:
                     raise Exception("Custom Constraint is not defined correctly."		)

       @abstractmethod
       def lowercase (		self: Tuple		)       -> List[str]:




              """simple docstring"""


              raise NotImplementedError(
                  f'''{self.__class__} is an abstract class. Only classes inheriting this class can be called.'''		)

       @abstractmethod
       def lowercase (		self: Optional[Any]					,   _SCREAMING_SNAKE_CASE: Optional[Any]		)       -> int:




              """simple docstring"""


              raise NotImplementedError(
                  f'''{self.__class__} is an abstract class. Only classes inheriting this class can be called.'''		)

       @abstractmethod
       def lowercase (		self: Any					,   _SCREAMING_SNAKE_CASE: int		)       -> Tuple:




              """simple docstring"""


              raise NotImplementedError(
                  f'''{self.__class__} is an abstract class. Only classes inheriting this class can be called.'''		)

       @abstractmethod
       def lowercase (		self: List[str]		)       -> Any:




              """simple docstring"""


              raise NotImplementedError(
                  f'''{self.__class__} is an abstract class. Only classes inheriting this class can be called.'''		)

       @abstractmethod
       def lowercase (		self: Optional[Any]		)       -> Tuple:




              """simple docstring"""


              raise NotImplementedError(
                  f'''{self.__class__} is an abstract class. Only classes inheriting this class can be called.'''		)



       @abstractmethod
       def lowercase (		self: str					,   _SCREAMING_SNAKE_CASE: Optional[Any]=False		)       -> Optional[Any]:




              """simple docstring"""


              raise NotImplementedError(
                  f'''{self.__class__} is an abstract class. Only classes inheriting this class can be called.'''		)



class 							_UpperCamelCase					(	__a     ):

       def __init__(		self: Optional[Any]					,   _SCREAMING_SNAKE_CASE: Dict		)       -> Dict:




              """simple docstring"""


              super(A__					,   self		).__init__()

              if not isinstance(A__					,   A__		) or len(A__		) == 0:
                     raise ValueError(f'''`token_ids` has to be a non-empty list, but is {token_ids}.'''		)
              if any((not isinstance(A__					,   A__		) or token_id < 0) for token_id in token_ids		):
                     raise ValueError(f'''Each list in `token_ids` has to be a list of positive integers, but is {token_ids}.'''		)

              UpperCamelCase_          =  token_ids

              UpperCamelCase_          =  len(self.token_ids		)
              UpperCamelCase_          =  -1  # the index of the currently fulfilled step
              UpperCamelCase_          =  False

       def lowercase (		self: List[str]		)       -> Any:




              """simple docstring"""


              if self.completed:
                     return None
              return self.token_ids[self.fulfilled_idx + 1]

       def lowercase (		self: Union[str, Any]					,   _SCREAMING_SNAKE_CASE: Optional[int]		)       -> Optional[int]:




              """simple docstring"""


              if not isinstance(A__					,   A__		):
                     raise ValueError(f'''`token_id` has to be an `int`, but is {token_id} of type {type(A__		)}'''		)

              if self.completed:
                     return False

              return token_id == self.token_ids[self.fulfilled_idx + 1]

       def lowercase (		self: int					,   _SCREAMING_SNAKE_CASE: Optional[Any]		)       -> int:




              """simple docstring"""


              if not isinstance(A__					,   A__		):
                     raise ValueError(f'''`token_id` has to be an `int`, but is {token_id} of type {type(A__		)}'''		)

              UpperCamelCase_          =  False
              UpperCamelCase_          =  False
              UpperCamelCase_          =  False

              if self.does_advance(A__		):
                     self.fulfilled_idx += 1
                     UpperCamelCase_          =  True
                     if self.fulfilled_idx == (self.seqlen - 1):
                            UpperCamelCase_          =  True
                     UpperCamelCase_          =  completed
              else:
                     # failed to make progress.
                     UpperCamelCase_          =  True
                     self.reset()
              return stepped, completed, reset

       def lowercase (		self: Optional[Any]		)       -> int:




              """simple docstring"""


              UpperCamelCase_          =  False
              UpperCamelCase_          =  0

       def lowercase (		self: str		)       -> Tuple:




              """simple docstring"""


              return self.seqlen - (self.fulfilled_idx + 1)



       def lowercase (		self: Union[str, Any]					,   _SCREAMING_SNAKE_CASE: int=False		)       -> int:




              """simple docstring"""


              UpperCamelCase_          =  PhrasalConstraint(self.token_ids		)

              if stateful:
                     UpperCamelCase_          =  self.seqlen
                     UpperCamelCase_          =  self.fulfilled_idx
                     UpperCamelCase_          =  self.completed

              return new_constraint



class 							_UpperCamelCase					:

       def __init__(		self: Optional[Any]					,   _SCREAMING_SNAKE_CASE: str					,   _SCREAMING_SNAKE_CASE: Tuple=True		)       -> Optional[Any]:




              """simple docstring"""


              UpperCamelCase_          =  max([len(A__		) for one in nested_token_ids]		)

              UpperCamelCase_          =  {}
              for token_ids in nested_token_ids:
                     UpperCamelCase_          =  root
                     for tidx, token_id in enumerate(A__		):
                            if token_id not in level:
                                   UpperCamelCase_          =  {}

                            UpperCamelCase_          =  level[token_id]

              if no_subsets and self.has_subsets(A__					,   A__		):
                     raise ValueError(
                         "Each list in `nested_token_ids` can\'t be a complete subset of another list, but is"
                         f''' {nested_token_ids}.'''		)

              UpperCamelCase_          =  root

       def lowercase (		self: Optional[Any]					,   _SCREAMING_SNAKE_CASE: Tuple		)       -> List[Any]:




              """simple docstring"""


              UpperCamelCase_          =  self.trie

              for current_token in current_seq:
                     UpperCamelCase_          =  start[current_token]

              UpperCamelCase_          =  list(start.keys()		)

              return next_tokens

       def lowercase (		self: List[str]					,   _SCREAMING_SNAKE_CASE: str		)       -> Any:




              """simple docstring"""


              UpperCamelCase_          =  self.next_tokens(A__		)

              return len(A__		) == 0

       def lowercase (		self: int					,   _SCREAMING_SNAKE_CASE: Dict		)       -> Union[str, Any]:




              """simple docstring"""


              UpperCamelCase_          =  list(root.values()		)
              if len(A__		) == 0:
                     return 1
              else:
                     return sum([self.count_leaves(A__		) for nn in next_nodes]		)



       def lowercase (		self: List[Any]					,   _SCREAMING_SNAKE_CASE: Union[str, Any]					,   _SCREAMING_SNAKE_CASE: str		)       -> Optional[int]:




              """simple docstring"""


              UpperCamelCase_          =  self.count_leaves(A__		)
              return len(A__		) != leaf_count



class 							_UpperCamelCase					(	__a     ):

       def __init__(		self: Any					,   _SCREAMING_SNAKE_CASE: Optional[Any]		)       -> str:




              """simple docstring"""


              super(A__					,   self		).__init__()

              if not isinstance(A__					,   A__		) or len(A__		) == 0:
                     raise ValueError(f'''`nested_token_ids` has to be a non-empty list, but is {nested_token_ids}.'''		)
              if any(not isinstance(A__					,   A__		) for token_ids in nested_token_ids		):
                     raise ValueError(f'''`nested_token_ids` has to be a list of lists, but is {nested_token_ids}.'''		)
              if any(
                  any((not isinstance(A__					,   A__		) or token_id < 0) for token_id in token_ids		)
                  for token_ids in nested_token_ids		):
                     raise ValueError(
                         f'''Each list in `nested_token_ids` has to be a list of positive integers, but is {nested_token_ids}.'''		)

              UpperCamelCase_          =  DisjunctiveTrie(A__		)
              UpperCamelCase_          =  nested_token_ids

              UpperCamelCase_          =  self.trie.max_height
              UpperCamelCase_          =  []
              UpperCamelCase_          =  False

       def lowercase (		self: Dict		)       -> List[Any]:




              """simple docstring"""


              UpperCamelCase_          =  self.trie.next_tokens(self.current_seq		)

              if len(A__		) == 0:
                     return None
              else:
                     return token_list

       def lowercase (		self: Union[str, Any]					,   _SCREAMING_SNAKE_CASE: Any		)       -> List[str]:




              """simple docstring"""


              if not isinstance(A__					,   A__		):
                     raise ValueError(f'''`token_id` is supposed to be type `int`, but is {token_id} of type {type(A__		)}'''		)

              UpperCamelCase_          =  self.trie.next_tokens(self.current_seq		)

              return token_id in next_tokens

       def lowercase (		self: Union[str, Any]					,   _SCREAMING_SNAKE_CASE: int		)       -> Union[str, Any]:




              """simple docstring"""


              if not isinstance(A__					,   A__		):
                     raise ValueError(f'''`token_id` is supposed to be type `int`, but is {token_id} of type {type(A__		)}'''		)

              UpperCamelCase_          =  False
              UpperCamelCase_          =  False
              UpperCamelCase_          =  False

              if self.does_advance(A__		):
                     self.current_seq.append(A__		)
                     UpperCamelCase_          =  True
              else:
                     UpperCamelCase_          =  True
                     self.reset()

              UpperCamelCase_          =  self.trie.reached_leaf(self.current_seq		)
              UpperCamelCase_          =  completed

              return stepped, completed, reset

       def lowercase (		self: Dict		)       -> List[Any]:




              """simple docstring"""


              UpperCamelCase_          =  False
              UpperCamelCase_          =  []

       def lowercase (		self: Any		)       -> Tuple:




              """simple docstring"""


              if self.completed:
                     # since this can be completed without reaching max height
                     return 0
              else:
                     return self.seqlen - len(self.current_seq		)



       def lowercase (		self: List[str]					,   _SCREAMING_SNAKE_CASE: int=False		)       -> Optional[int]:




              """simple docstring"""


              UpperCamelCase_          =  DisjunctiveConstraint(self.token_ids		)

              if stateful:
                     UpperCamelCase_          =  self.seqlen
                     UpperCamelCase_          =  self.current_seq
                     UpperCamelCase_          =  self.completed

              return new_constraint



class 							_UpperCamelCase					:

       def __init__(		self: str					,   _SCREAMING_SNAKE_CASE: Any		)       -> Union[str, Any]:




              """simple docstring"""


              UpperCamelCase_          =  constraints

              # max # of steps required to fulfill a given constraint
              UpperCamelCase_          =  max([c.seqlen for c in constraints]		)
              UpperCamelCase_          =  len(A__		)
              UpperCamelCase_          =  False

              self.init_state()

       def lowercase (		self: Tuple		)       -> Optional[Any]:




              """simple docstring"""


              UpperCamelCase_          =  []
              UpperCamelCase_          =  None
              UpperCamelCase_          =  [constraint.copy(stateful=A__		) for constraint in self.constraints]

       def lowercase (		self: Any		)       -> Any:




              """simple docstring"""


              UpperCamelCase_          =  0
              if self.inprogress_constraint:
                     # extra points for having a constraint mid-fulfilled
                     add += self.max_seqlen - self.inprogress_constraint.remaining()

              return (len(self.complete_constraints		) * self.max_seqlen) + add

       def lowercase (		self: Dict		)       -> Optional[int]:




              """simple docstring"""


              UpperCamelCase_          =  []
              if self.inprogress_constraint is None:
                     for constraint in self.pending_constraints:  # "pending" == "unfulfilled yet"
                            UpperCamelCase_          =  constraint.advance()
                            if isinstance(A__					,   A__		):
                                   token_list.append(A__		)
                            elif isinstance(A__					,   A__		):
                                   token_list.extend(A__		)
              else:
                     UpperCamelCase_          =  self.inprogress_constraint.advance()
                     if isinstance(A__					,   A__		):
                            token_list.append(A__		)
                     elif isinstance(A__					,   A__		):
                            token_list.extend(A__		)

              if len(A__		) == 0:
                     return None
              else:
                     return token_list

       def lowercase (		self: List[str]					,   _SCREAMING_SNAKE_CASE: Optional[Any]		)       -> Dict:




              """simple docstring"""


              self.init_state()

              if token_ids is not None:
                     for token in token_ids:
                            # completes or steps **one** constraint
                            UpperCamelCase_       , UpperCamelCase_          =  self.add(A__		)

                            # the entire list of constraints are fulfilled
                            if self.completed:
                                   break

       def lowercase (		self: Dict					,   _SCREAMING_SNAKE_CASE: Tuple		)       -> Tuple:




              """simple docstring"""


              if not isinstance(A__					,   A__		):
                     raise ValueError(f'''`token_id` should be an `int`, but is `{token_id}`.'''		)

              UpperCamelCase_       , UpperCamelCase_          =  False, False

              if self.completed:
                     UpperCamelCase_          =  True
                     UpperCamelCase_          =  False
                     return complete, stepped

              if self.inprogress_constraint is not None:
                     # In the middle of fulfilling a constraint. If the `token_id` *does* makes an incremental progress to current
                     # job, simply update the state

                     UpperCamelCase_       , UpperCamelCase_       , UpperCamelCase_          =  self.inprogress_constraint.update(A__		)
                     if reset:
                            # 1. If the next token breaks the progress, then we must restart.
                            #     e.g. constraint = "I love pies" and sequence so far is "I love" but `token_id` == "books".

                            #     But that doesn't mean we self.init_state(), since we only reset the state for this particular
                            #     constraint, not the full list of constraints.

                            self.pending_constraints.append(self.inprogress_constraint.copy(stateful=A__		)		)
                            UpperCamelCase_          =  None

                     if complete:
                            # 2. If the next token completes the constraint, move it to completed list, set
                            #     inprogress to None. If there are no pending constraints either, then this full list of constraints
                            #     is complete.

                            self.complete_constraints.append(self.inprogress_constraint		)
                            UpperCamelCase_          =  None

                            if len(self.pending_constraints		) == 0:
                                   # we're done!
                                   UpperCamelCase_          =  True

              else:
                     # Not in the middle of fulfilling a constraint. So does this `token_id` helps us step towards any of our list
                     # of constraints?

                     for cidx, pending_constraint in enumerate(self.pending_constraints		):
                            if pending_constraint.does_advance(A__		):
                                   UpperCamelCase_       , UpperCamelCase_       , UpperCamelCase_          =  pending_constraint.update(A__		)

                                   if not stepped:
                                          raise Exception(
                                              "`constraint.update(token_id)` is not yielding incremental progress, "
                                              "even though `constraint.does_advance(token_id)` is true."		)

                                   if complete:
                                          self.complete_constraints.append(A__		)
                                          UpperCamelCase_          =  None

                                   if not complete and stepped:
                                          UpperCamelCase_          =  pending_constraint

                                   if complete or stepped:
                                          # If we made any progress at all, then it's at least not a "pending constraint".

                                          UpperCamelCase_          =  (
                                              self.pending_constraints[:cidx] + self.pending_constraints[cidx + 1 :]
                                          )

                                          if len(self.pending_constraints		) == 0 and self.inprogress_constraint is None:
                                                 # If there's no longer any pending after this and no inprogress either, then we must be
                                                 # complete.

                                                 UpperCamelCase_          =  True

                                          break  # prevent accidentally stepping through multiple constraints with just one token.

              return complete, stepped



       def lowercase (		self: str					,   _SCREAMING_SNAKE_CASE: Union[str, Any]=True		)       -> Union[str, Any]:




              """simple docstring"""


              UpperCamelCase_          =  ConstraintListState(self.constraints		)  # we actually never though self.constraints objects
              # throughout this process. So it's at initialization state.

              if stateful:
                     UpperCamelCase_          =  [
                         constraint.copy(stateful=A__		) for constraint in self.complete_constraints
                     ]
                     if self.inprogress_constraint is not None:
                            UpperCamelCase_          =  self.inprogress_constraint.copy(stateful=A__		)
                     UpperCamelCase_          =  [constraint.copy() for constraint in self.pending_constraints]

              return new_state








import random
from typing import Any




def  lowerCAmelCase_ (							UpperCamelCase_  )     ->		list[Any]:
       for _ in range(len(UpperCamelCase_  )  ):
              UpperCamelCase_          =  random.randint(0					,		len(UpperCamelCase_  ) - 1  )
              UpperCamelCase_          =  random.randint(0					,		len(UpperCamelCase_  ) - 1  )
              UpperCamelCase_       , UpperCamelCase_          =  data[b], data[a]
       return data


if __name__ == "__main__":
     _UpperCAmelCase        =				[0, 1, 2, 3, 4, 5, 6, 7]
     _UpperCAmelCase        =				['python', 'says', 'hello', '!']
     print('Fisher-Yates Shuffle:')
     print('List', integers, strings)
     print('FY Shuffle', fisher_yates_shuffle(integers), fisher_yates_shuffle(strings))

