from __future__ import annotations

from typing import Generic, TypeVar

UpperCAmelCase_    		=				TypeVar('''T''')





class   lowerCAmelCase    (       Generic[T]      ):



     def __init__(       self					,   lowerCAmelCase__							):
            _A=						data  # Assign data
            _A=						None  # Initialize next as null
            _A=						None  # Initialize prev as null





class   lowerCAmelCase    (       Generic[T]      ):



     def __init__(       self							):
            _A=						None



     def       a__	(       self					,   lowerCAmelCase__							):
            if self.head is None:
                   _A=						Node(lowerCAmelCase__							)
            else:
                   _A=						Node(lowerCAmelCase__							)
                   _A=						new_node
                   _A=						self.head
                   _A=						None
                   _A=						new_node



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



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



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





     def       a__	(       self							):
            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
      UpperCAmelCase_    		=				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())
import argparse
import os


UpperCAmelCase_    		=				{
    '''pytorch''': {
        '''1.13''': {
            '''torch''': '''1.13.1''',
            '''torchvision''': '''0.14.1''',
            '''torchaudio''': '''0.13.1''',
            '''python''': 3.9,
            '''cuda''': '''cu116''',
            '''install''': (
                '''python3 -m pip install --no-cache-dir -U torch==1.13.1 torchvision==0.14.1 torchaudio==0.13.1'''
                ''' --extra-index-url https://download.pytorch.org/whl/cu116'''
            ),
            '''base_image''': '''nvidia/cuda:11.6.2-cudnn8-devel-ubuntu20.04''',
        },
        '''1.12''': {
            '''torch''': '''1.12.1''',
            '''torchvision''': '''0.13.1''',
            '''torchaudio''': '''0.12.1''',
            '''python''': 3.9,
            '''cuda''': '''cu113''',
            '''install''': (
                '''python3 -m pip install --no-cache-dir -U torch==1.12.1 torchvision==0.13.1 torchaudio==0.12.1'''
                ''' --extra-index-url https://download.pytorch.org/whl/cu113'''
            ),
            '''base_image''': '''nvidia/cuda:11.2.2-cudnn8-devel-ubuntu20.04''',
        },
        '''1.11''': {
            '''torch''': '''1.11.0''',
            '''torchvision''': '''0.12.0''',
            '''torchaudio''': '''0.11.0''',
            '''python''': 3.9,
            '''cuda''': '''cu113''',
            '''install''': (
                '''python3 -m pip install --no-cache-dir -U torch==1.11.0 torchvision==0.12.0 torchaudio==0.11.0'''
                ''' --extra-index-url https://download.pytorch.org/whl/cu113'''
            ),
            '''base_image''': '''nvidia/cuda:11.2.2-cudnn8-devel-ubuntu20.04''',
        },
        '''1.10''': {
            '''torch''': '''1.10.2''',
            '''torchvision''': '''0.11.3''',
            '''torchaudio''': '''0.10.2''',
            '''python''': 3.9,
            '''cuda''': '''cu113''',
            '''install''': (
                '''python3 -m pip install --no-cache-dir -U torch==1.10.2 torchvision==0.11.3 torchaudio==0.10.2'''
                ''' --extra-index-url https://download.pytorch.org/whl/cu113'''
            ),
            '''base_image''': '''nvidia/cuda:11.2.2-cudnn8-devel-ubuntu20.04''',
        },
        # torchaudio < 0.10 has no CUDA-enabled binary distributions
        '''1.9''': {
            '''torch''': '''1.9.1''',
            '''torchvision''': '''0.10.1''',
            '''torchaudio''': '''0.9.1''',
            '''python''': 3.9,
            '''cuda''': '''cu111''',
            '''install''': (
                '''python3 -m pip install --no-cache-dir -U torch==1.9.1 torchvision==0.10.1 torchaudio==0.9.1'''
                ''' --extra-index-url https://download.pytorch.org/whl/cu111'''
            ),
            '''base_image''': '''nvidia/cuda:11.2.2-cudnn8-devel-ubuntu20.04''',
        },
    },
    '''tensorflow''': {
        '''2.11''': {
            '''tensorflow''': '''2.11.1''',
            '''install''': '''python3 -m pip install --no-cache-dir -U tensorflow==2.11.1''',
            '''base_image''': '''nvidia/cuda:11.2.2-cudnn8-devel-ubuntu20.04''',
        },
        '''2.10''': {
            '''tensorflow''': '''2.10.1''',
            '''install''': '''python3 -m pip install --no-cache-dir -U tensorflow==2.10.1''',
            '''base_image''': '''nvidia/cuda:11.2.2-cudnn8-devel-ubuntu20.04''',
        },
        '''2.9''': {
            '''tensorflow''': '''2.9.3''',
            '''install''': '''python3 -m pip install --no-cache-dir -U tensorflow==2.9.3''',
            '''base_image''': '''nvidia/cuda:11.2.2-cudnn8-devel-ubuntu20.04''',
        },
        '''2.8''': {
            '''tensorflow''': '''2.8.2''',
            '''install''': '''python3 -m pip install --no-cache-dir -U tensorflow==2.8.2''',
            '''base_image''': '''nvidia/cuda:11.2.2-cudnn8-devel-ubuntu20.04''',
        },
        '''2.7''': {
            '''tensorflow''': '''2.7.3''',
            '''install''': '''python3 -m pip install --no-cache-dir -U tensorflow==2.7.3''',
            '''base_image''': '''nvidia/cuda:11.2.2-cudnn8-devel-ubuntu20.04''',
        },
        '''2.6''': {
            '''tensorflow''': '''2.6.5''',
            '''install''': '''python3 -m pip install --no-cache-dir -U tensorflow==2.6.5''',
            '''base_image''': '''nvidia/cuda:11.2.2-cudnn8-devel-ubuntu20.04''',
        },
        '''2.5''': {
            '''tensorflow''': '''2.5.3''',
            '''install''': '''python3 -m pip install --no-cache-dir -U tensorflow==2.5.3''',
            '''base_image''': '''nvidia/cuda:11.2.2-cudnn8-devel-ubuntu20.04''',
        },
    },
}


if __name__ == "__main__":
      UpperCAmelCase_    		=				argparse.ArgumentParser('''Choose the framework and version to install''')
      parser.add_argument(
          '''--framework''', help='''The framework to install. Should be `torch` or `tensorflow`''', type=str, required=True
      )
      parser.add_argument('''--version''', help='''The version of the framework to install.''', type=str, required=True)
      UpperCAmelCase_    		=				parser.parse_args()

      UpperCAmelCase_    		=				past_versions_testing[args.framework][args.version]

      os.system(F"echo \"export INSTALL_CMD=\'{info['install']}\'\" >> ~/.profile")
      print(F"echo \"export INSTALL_CMD=\'{info['install']}\'\" >> ~/.profile")

      UpperCAmelCase_    		=				''''''
      if args.framework == "pytorch":
            UpperCAmelCase_    		=				info['''cuda''']
      os.system(F"echo \"export CUDA='{cuda}'\" >> ~/.profile")
      print(F"echo \"export CUDA='{cuda}'\" >> ~/.profile")