




SCREAMING_SNAKE_CASE    =	"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"







def   _SCREAMING_SNAKE_CASE       (							lowercase_						)						->		bytes:
 # Make sure the supplied data is a bytes-like object
 if not isinstance(lowercase_      ,			lowercase_						):
  A__	=    f"""a bytes-like object is required, not \'{data.__class__.__name__}\'"""
  raise TypeError(lowercase_						)

 A__	=    ''''''.join(bin(lowercase_						)[2:].zfill(8						) for byte in data						)

 A__	=    len(lowercase_						) % 6 != 0

 if padding_needed:
  # The padding that will be added later
  A__	=    b'''=''' * ((6 - len(lowercase_						) % 6) // 2)

  # Append binary_stream with arbitrary binary digits (0's by default) to make its
  # length a multiple of 6.
  binary_stream += "0" * (6 - len(lowercase_						) % 6)
 else:
  A__	=    b''''''

 # Encode every 6 binary digits to their corresponding Base64 character
 return (
     "".join(
         B64_CHARSET[int(binary_stream[index : index + 6]      ,			2						)]
         for index in range(0      ,			len(lowercase_						)      ,			6						)						).encode()
     + padding
 )







def   _SCREAMING_SNAKE_CASE       (							lowercase_						)						->		bytes:
 # Make sure encoded_data is either a string or a bytes-like object
 if not isinstance(lowercase_      ,			lowercase_						) and not isinstance(lowercase_      ,			lowercase_						):
  A__	=    (
      '''argument should be a bytes-like object or ASCII string, '''
      f"""not \'{encoded_data.__class__.__name__}\'"""
  )
  raise TypeError(lowercase_						)

 # In case encoded_data is a bytes-like object, make sure it contains only
 # ASCII characters so we convert it to a string object
 if isinstance(lowercase_      ,			lowercase_						):
  try:
   A__	=    encoded_data.decode("utf-8"						)
  except UnicodeDecodeError:
   raise ValueError("base64 encoded data should only contain ASCII characters"						)

 A__	=    encoded_data.count("="						)

 # Check if the encoded string contains non base64 characters
 if padding:
  assert all(
      char in B64_CHARSET for char in encoded_data[:-padding]						), "Invalid base64 character(s) found."
 else:
  assert all(
      char in B64_CHARSET for char in encoded_data						), "Invalid base64 character(s) found."

 # Check the padding
 assert len(lowercase_						) % 4 == 0 and padding < 3, "Incorrect padding"

 if padding:
  # Remove padding if there is one
  A__	=    encoded_data[:-padding]

  A__	=    ''''''.join(
      bin(B64_CHARSET.index(lowercase_						)						)[2:].zfill(6						) for char in encoded_data						)[: -padding * 2]
 else:
  A__	=    ''''''.join(
      bin(B64_CHARSET.index(lowercase_						)						)[2:].zfill(6						) for char in encoded_data						)

 A__	=    [
     int(binary_stream[index : index + 8]      ,			2						)
     for index in range(0      ,			len(lowercase_						)      ,			8						)
 ]

 return bytes(lowercase_						)


if __name__ == "__main__":
      import doctest

      doctest.testmod()











"""simple docstring"""



SCREAMING_SNAKE_CASE    =	"Alexander Joslin"

import operator as op

from .stack import Stack







def   _SCREAMING_SNAKE_CASE       (							lowercase_						)						->		int:
 A__	=    {"*": op.mul, "/": op.truediv, "+": op.add, "-": op.sub}

 A__	=    Stack()
 A__	=    Stack()

 for i in equation:
  if i.isdigit():
   # RULE 1
   operand_stack.push(int(lowercase_						)						)
  elif i in operators:
   # RULE 2
   operator_stack.push(lowercase_						)
  elif i == ")":
   # RULE 4
   A__	=    operator_stack.peek()
   operator_stack.pop()
   A__	=    operand_stack.peek()
   operand_stack.pop()
   A__	=    operand_stack.peek()
   operand_stack.pop()

   A__	=    operators[opr](lowercase_      ,			lowercase_						)
   operand_stack.push(lowercase_						)

    # RULE 5
 return operand_stack.peek()


if __name__ == "__main__":
      SCREAMING_SNAKE_CASE    =	"(5 + ((4 * 2) * (2 + 3)))"
      # answer = 45
      print(f'{equation} = {dijkstras_two_stack_algorithm(equation)}')





