




import os
from string import ascii_letters

__A						:		int          =						ascii_letters + " \t\n"





def      UpperCAmelCase  (						)     ->     dict[str, None]:







				'''simple docstring'''


				__lowerCAmelCase					=  os.path.split(os.path.realpath(UpperCamelCase__   )   )
				__lowerCAmelCase					=  {}
				with open(path[0] + """/dictionary.txt"""   ) as dictionary_file:
								for word in dictionary_file.read().split("""\n"""   ):
												__lowerCAmelCase					=  None
				return english_words


__A						:		Union[str, Any]          =						load_dictionary()





def      UpperCAmelCase  (						UpperCamelCase__   )     ->     float:







				'''simple docstring'''


				__lowerCAmelCase					=  message.upper()
				__lowerCAmelCase					=  remove_non_letters(UpperCamelCase__   )
				__lowerCAmelCase					=  message.split()
				__lowerCAmelCase					=  len([word for word in possible_words if word in ENGLISH_WORDS]   )
				return float(UpperCamelCase__   ) / len(UpperCamelCase__   )





def      UpperCAmelCase  (						UpperCamelCase__   )     ->     str:







				'''simple docstring'''


				return "".join(symbol for symbol in message if symbol in LETTERS_AND_SPACE   )





def      UpperCAmelCase  (						UpperCamelCase__						,			UpperCamelCase__ = 20						,			UpperCamelCase__ = 85   )     ->     bool:







				'''simple docstring'''


				__lowerCAmelCase					=  get_english_count(UpperCamelCase__   ) * 1_00 >= word_percentage
				__lowerCAmelCase					=  len(remove_non_letters(UpperCamelCase__   )   )
				__lowerCAmelCase					=  (float(UpperCamelCase__   ) / len(UpperCamelCase__   )) * 1_00
				__lowerCAmelCase					=  message_letters_percentage >= letter_percentage
				return words_match and letters_match


if __name__ == "__main__":
	import doctest

	doctest.testmod()







_snake_case		  =   {
    "+": lambda x, y: x + y,
    "-": lambda x, y: x - y,
    "*": lambda x, y: x * y,
    "/": lambda x, y: x / y,
}
def lowerCamelCase_       (			A			:      List[Any]						):




      """simple docstring"""
      return c.isdigit()
def lowerCamelCase_       (			A			:      List[Any]						):




      """simple docstring"""
      lowerCAmelCase_						=      []

      # iterate over the string in reverse order
      for c in expression.split()[::-1]:
            # push operand to stack
            if is_operand(A						):
                  stack.append(int(A						)						)

            else:
                  # pop values from stack can calculate the result
                  # push the result onto the stack again
                  lowerCAmelCase_						=      stack.pop()
                  lowerCAmelCase_						=      stack.pop()
                  stack.append(calc[c](A		,					A						)						)

      return stack.pop()


# Driver code
if __name__ == "__main__":
 _snake_case		  =   "+ 9 * 2 6"
 print(evaluate(test_expression))

 _snake_case		  =   "/ * 10 2 + 4 1 "
 print(evaluate(test_expression))



