
"""simple docstring"""





from .balanced_parentheses import balanced_parentheses
from .stack import Stack







def 			lowercase__  (	__lowerCamelCase						):
   return {"+": 1, "-": 1, "*": 2, "/": 2, "^": 3}.get(__lowerCamelCase,	-1						)







def 			lowercase__  (	__lowerCamelCase						):
   if not balanced_parentheses(__lowerCamelCase						):
      raise ValueError("Mismatched parentheses"						)
   UpperCAmelCase_      :      List[Any]      =					Stack()
   UpperCAmelCase_      :      Optional[int]      =					[]
   for char in expression_str:
      if char.isalpha() or char.isdigit():
         postfix.append(__lowerCamelCase						)
      elif char == "(":
         stack.push(__lowerCamelCase						)
      elif char == ")":
         while not stack.is_empty() and stack.peek() != "(":
            postfix.append(stack.pop()						)
         stack.pop()
      else:
         while not stack.is_empty() and precedence(__lowerCamelCase						) <= precedence(stack.peek()						):
            postfix.append(stack.pop()						)
         stack.push(__lowerCamelCase						)
   while not stack.is_empty():
      postfix.append(stack.pop()						)
   return " ".join(__lowerCamelCase						)


if __name__ == "__main__":
    from doctest import testmod

    testmod()
    _a	 =							"""a+b*(c^d-e)^(f+g*h)-i"""

    print('Infix to Postfix Notation demonstration:\n')
    print('Infix notation: ' + expression)
    print('Postfix notation: ' + infix_to_postfix(expression))




"""simple docstring"""





from string import ascii_uppercase







def 			__a  (	__lowerCamelCase,	__lowerCamelCase,	__lowerCamelCase = False,	__lowerCamelCase = ascii_uppercase						):
   UpperCAmelCase_      :      List[str]      =					keyword.upper()
   UpperCAmelCase_      :      str      =					plaintext.upper()
   UpperCAmelCase_      :      Tuple      =					set(__lowerCamelCase						)

   # create a list of unique characters in the keyword - their order matters
   # it determines how we will map plaintext characters to the ciphertext
   UpperCAmelCase_      :      Tuple      =					[]
   for char in keyword:
      if char in alphabet_set and char not in unique_chars:
         unique_chars.append(__lowerCamelCase						)
    # the number of those unique characters will determine the number of rows
   UpperCAmelCase_      :      Union[str, Any]      =					len(__lowerCamelCase						)

   # create a shifted version of the alphabet
   UpperCAmelCase_      :      Tuple      =					unique_chars + [
       char for char in alphabet if char not in unique_chars
   ]

   # create a modified alphabet by splitting the shifted alphabet into rows
   UpperCAmelCase_      :      List[str]      =					[
       shifted_alphabet[k : k + num_unique_chars_in_keyword]
       for k in range(0,	26,	__lowerCamelCase						)
   ]

   # map the alphabet characters to the modified alphabet characters
   # going 'vertically' through the modified alphabet - consider columns first
   UpperCAmelCase_      :      Tuple      =					{}
   UpperCAmelCase_      :      Dict      =					0
   for column in range(__lowerCamelCase						):
      for row in modified_alphabet:
         # if current row (the last one) is too short, break out of loop
         if len(__lowerCamelCase						) <= column:
            break

         # map current letter to letter in modified alphabet
         UpperCAmelCase_      :      Tuple      =					row[column]
         letter_index += 1

   if verbose:
      print(__lowerCamelCase						)
   # create the encrypted text by mapping the plaintext to the modified alphabet
   return "".join(mapping[char] if char in mapping else char for char in plaintext						)


if __name__ == "__main__":
    # example use
    print(mixed_keyword('college', 'UNIVERSITY'))


