





from __future__ import annotations

from typing import Generic, TypeVar

snake_case__   :				Any						=	TypeVar('T')





class A_   (     Generic[T]  ):




   def __init__(self      :List[Any]       ,  _UpperCamelCase      :T					)->   str:
         __A			  =							data  # Assign data
         __A			  =							None  # Initialize next as null
         __A			  =							None  # Initialize prev as null





class A_   (     Generic[T]  ):




   def __init__(self      :List[Any]					)->   None:
         __A			  =							None




   def _lowerCAmelCase (self      :str       ,  _UpperCamelCase      :T					)->   None:
         if self.head is None:
               __A			  =							Node(_UpperCamelCase					)
         else:
               __A			  =							Node(_UpperCamelCase					)
               __A			  =							new_node
               __A			  =							self.head
               __A			  =							None
               __A			  =							new_node




   def _lowerCAmelCase (self      :List[str]					)->   T | None:
         if self.head is None:
               return None
         else:
               assert self.head is not None
               __A			  =							self.head.data
               __A			  =							self.head.next
               if self.head is not None:
                     __A			  =							None
               return temp




   def _lowerCAmelCase (self      :Tuple					)->   T | None:
         return self.head.data if self.head is not None else None




   def __len__(self      :int					)->   int:
         __A			  =							self.head
         __A			  =							0
         while temp is not None:
               count += 1
               __A			  =							temp.next
         return count




   def _lowerCAmelCase (self      :Tuple					)->   bool:
         return self.head is None






   def _lowerCAmelCase (self      :int					)->   None:
         print('''stack elements are:'''					)
         __A			  =							self.head
         while temp is not None:
               print(temp.data       ,  end='''->'''					)
               __A			  =							temp.next


# Code execution starts here
if __name__ == "__main__":
       # Start with the empty stack
       snake_case__   :				Stack[int]						=	Stack()

       # Insert 4 at the beginning. So stack becomes 4->None
       print('Stack operations using Doubly LinkedList')
       stack.push(4)

       # Insert 5 at the beginning. So stack becomes 4->5->None
       stack.push(5)

       # Insert 6 at the beginning. So stack becomes 4->5->6->None
       stack.push(6)

       # Insert 7 at the beginning. So stack becomes 4->5->6->7->None
       stack.push(7)

       # Print the stack
       stack.print_stack()

       # Print the top element
       print('\nTop element is ', stack.top())

       # Print the stack size
       print('Size of the stack is ', len(stack))

       # pop the top element
       stack.pop()

       # pop the top element
       stack.pop()

       # two elements have now been popped off
       stack.print_stack()

       # Print True if the stack is empty else False
       print('\nstack is empty:', stack.is_empty())












def _a							(      lowerCamelCase:  list					)      ->		list:







      '''simple docstring'''






      __A			  =							len(lowerCamelCase					)
      for cycle_start in range(0   ,							array_len - 1					):
            __A			  =							array[cycle_start]

            __A			  =							cycle_start
            for i in range(cycle_start + 1   ,							lowerCamelCase					):
                  if array[i] < item:
                        pos += 1

            if pos == cycle_start:
                  continue

            while item == array[pos]:
                  pos += 1

            __A  ,		__A			  =							item, array[pos]
            while pos != cycle_start:
                  __A			  =							cycle_start
                  for i in range(cycle_start + 1   ,							lowerCamelCase					):
                        if array[i] < item:
                              pos += 1

                  while item == array[pos]:
                        pos += 1

                  __A  ,		__A			  =							item, array[pos]

      return array


if __name__ == "__main__":
       assert cycle_sort([4, 5, 3, 2, 1]) == [1, 2, 3, 4, 5]
       assert cycle_sort([0, 1, -10, 15, 2, -2]) == [-10, -2, 0, 1, 2, 15]





