from __future__ import annotations

from typing import Generic, TypeVar

_lowerCAmelCase        =       TypeVar('T')






class     __UpperCAmelCase(    Generic[T]				):






 """simple docstring"""




 def __init__(    self ,       __magic_name__      ):

        """simple docstring"""

        A_							:       str	      =				data  # Assign data
        A_							:       Tuple	      =				None  # Initialize next as null
        A_							:       Dict	      =				None  # Initialize prev as null






class     __UpperCAmelCase(    Generic[T]				):






 """simple docstring"""




 def __init__(    self      ):

        """simple docstring"""

        A_							:       str	      =				None
 def  UpperCAmelCase   (    self ,       __magic_name__      ):

        """simple docstring"""

        if self.head is None:
               A_							:       Any	      =				Node(_SCREAMING_SNAKE_CASE      )
        else:
               A_							:       List[Any]	      =				Node(_SCREAMING_SNAKE_CASE      )
               A_							:       int	      =				new_node
               A_							:       int	      =				self.head
               A_							:       int	      =				None
               A_							:       Optional[int]	      =				new_node
 def  UpperCAmelCase   (    self      ):

        """simple docstring"""

        if self.head is None:
               return None
        else:
               assert self.head is not None
               A_							:       Union[str, Any]	      =				self.head.data
               A_							:       Any	      =				self.head.next
               if self.head is not None:
                      A_							:       List[Any]	      =				None
               return temp
 def  UpperCAmelCase   (    self      ):

        """simple docstring"""

        return self.head.data if self.head is not None else None
 def __len__(    self      ):

        """simple docstring"""

        A_							:       Tuple	      =				self.head
        A_							:       Optional[int]	      =				0
        while temp is not None:
               count += 1
               A_							:       List[Any]	      =				temp.next
        return count
 def  UpperCAmelCase   (    self      ):

        """simple docstring"""

        return self.head is None
 def  UpperCAmelCase   (    self      ):

        """simple docstring"""

        print('''stack elements are:'''      )
        A_							:       List[str]	      =				self.head
        while temp is not None:
               print(temp.data ,       end='''->'''      )
               A_							:       Dict	      =				temp.next


# Code execution starts here
if __name__ == "__main__":
    # Start with the empty stack
    _lowerCAmelCase        =       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 			lowerCAmelCase_			(				UpperCamelCase_	)  ->		str:
       UpperCamelCase_ 							=	word.upper()
       UpperCamelCase_ 							=	0
       UpperCamelCase_ 							=	{}
       UpperCamelCase_ 							=	[]

       for letter in word:
              if letter not in letter_nums:
                     UpperCamelCase_ 							=	str(UpperCamelCase_	)
                     next_num += 1
              word_pattern.append(letter_nums[letter]	)
       return ".".join(UpperCamelCase_	)


if __name__ == "__main__":
     import pprint
     import time

     _UpperCAmelCase										=					time.time()
     with open('dictionary.txt') as in_file:
          _UpperCAmelCase										=					in_file.read().splitlines()

     _UpperCAmelCase										=					{}
     for word in word_list:
          _UpperCAmelCase										=					get_word_pattern(word)
          if pattern in all_patterns:
               all_patterns[pattern].append(word)
          else:
               _UpperCAmelCase										=					[word]

     with open('word_patterns.txt', 'w') as out_file:
          out_file.write(pprint.pformat(all_patterns))

     _UpperCAmelCase										=					round(time.time() - start_time, 2)
     print(f'''Done!  {len(all_patterns):,} word patterns found in {total_time} seconds.''')
     # Done!  9,581 word patterns found in 0.58 seconds.

