




from typing import Literal

UpperCamelCase__       				=	'''ABCDEFGHIJKLMNOPQRSTUVWXYZ'''






def 				UpperCAmelCase__  (							_A      ,      _A      ,      _A			):






  """simple docstring"""


  a_		    =  LETTERS if mode == '''decrypt''' else key
  a_		    =  key if mode == '''decrypt''' else LETTERS
  a_		    =  ''''''
  # loop through each symbol in the message
  for symbol in message:
    if symbol.upper() in chars_a:
      # encrypt/decrypt the symbol
      a_		    =  chars_a.find(symbol.upper()			)
      if symbol.isupper():
        translated += chars_b[sym_index].upper()
      else:
        translated += chars_b[sym_index].lower()
    else:
      # symbol is not in LETTERS, just add it
      translated += symbol
  return translated






def 				UpperCAmelCase__  (							_A      ,      _A			):






  """simple docstring"""


  return translate_message(_A      ,      _A      ,      '''encrypt'''			)






def 				UpperCAmelCase__  (							_A      ,      _A			):






  """simple docstring"""


  return translate_message(_A      ,      _A      ,      '''decrypt'''			)






def 				UpperCAmelCase__  (							):






  """simple docstring"""


  a_		    =  '''Hello World'''
  a_		    =  '''QWERTYUIOPASDFGHJKLZXCVBNM'''
  a_		    =  '''decrypt'''  # set to 'encrypt' or 'decrypt'

  if mode == "encrypt":
    a_		    =  encrypt_message(_A      ,      _A			)
  elif mode == "decrypt":
    a_		    =  decrypt_message(_A      ,      _A			)
  print(f"Using the key {key}, the {mode}ed message is: {translated}"			)


if __name__ == "__main__":
  import doctest

  doctest.testmod()
  main()






def 				UpperCAmelCase__  (							_A      ,      _A			):






  """simple docstring"""


  if not root or root not in binary_tree_mirror_dictionary:
    return
  a_    , a_		    =  binary_tree_mirror_dictionary[root][:2]
  a_		    =  [right_child, left_child]
  binary_tree_mirror_dict(_A      ,      _A			)
  binary_tree_mirror_dict(_A      ,      _A			)






def 				UpperCAmelCase__  (							_A      ,      _A = 1			):






  """simple docstring"""


  if not binary_tree:
    raise ValueError('''binary tree cannot be empty'''			)
  if root not in binary_tree:
    a_		    =  f"root {root} is not present in the binary_tree"
    raise ValueError(_A			)
  a_		    =  dict(_A			)
  binary_tree_mirror_dict(_A      ,      _A			)
  return binary_tree_mirror_dictionary


if __name__ == "__main__":
  UpperCamelCase__       				=	{1: [2, 3], 2: [4, 5], 3: [6, 7], 7: [8, 9]}
  print(F"""Binary tree: {binary_tree}""")
  UpperCamelCase__       				=	binary_tree_mirror(binary_tree, 5)
  print(F"""Binary tree mirror: {binary_tree_mirror_dictionary}""")
