from typing import Literal

lowerCamelCase__           =				'ABCDEFGHIJKLMNOPQRSTUVWXYZ'



def 							_lowerCamelCase(				__snake_case						,						__snake_case						,						__snake_case	)  ->   str:
		__snake_case		       =     LETTERS if mode == "decrypt" else key
		__snake_case		       =     key if mode == "decrypt" else LETTERS
		__snake_case		       =     ""
		# loop through each symbol in the message
		for symbol in message:
				if symbol.upper() in chars_a:
						# encrypt/decrypt the symbol
						__snake_case		       =     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 							_lowerCamelCase(				__snake_case						,						__snake_case	)  ->   str:
		return translate_message(__snake_case						,						__snake_case						,						"encrypt"	)



def 							_lowerCamelCase(				__snake_case						,						__snake_case	)  ->   str:
		return translate_message(__snake_case						,						__snake_case						,						"decrypt"	)



def 							_lowerCamelCase(				)  ->   None:
		__snake_case		       =     "Hello World"
		__snake_case		       =     "QWERTYUIOPASDFGHJKLZXCVBNM"
		__snake_case		       =     "decrypt"  # set to 'encrypt' or 'decrypt'

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


if __name__ == "__main__":
		import doctest

		doctest.testmod()
		main()






import os
from string import ascii_letters

lowerCamelCase__           =				ascii_letters + ' \t\n'



def 							_lowerCamelCase(				)  ->   dict[str, None]:
		__snake_case		       =     os.path.split(os.path.realpath(__snake_case	)	)
		__snake_case		       =     {}
		with open(path[0] + "/dictionary.txt"	) as dictionary_file:
				for word in dictionary_file.read().split("\n"	):
						__snake_case		       =     None
		return english_words


lowerCamelCase__           =				load_dictionary()



def 							_lowerCamelCase(				__snake_case	)  ->   float:
		__snake_case		       =     message.upper()
		__snake_case		       =     remove_non_letters(__snake_case	)
		__snake_case		       =     message.split()
		__snake_case		       =     len([word for word in possible_words if word in ENGLISH_WORDS]	)
		return float(__snake_case	) / len(__snake_case	)



def 							_lowerCamelCase(				__snake_case	)  ->   str:
		return "".join(symbol for symbol in message if symbol in LETTERS_AND_SPACE	)



def 							_lowerCamelCase(				__snake_case						,						__snake_case = 20						,						__snake_case = 85	)  ->   bool:
		__snake_case		       =     get_english_count(__snake_case	) * 100 >= word_percentage
		__snake_case		       =     len(remove_non_letters(__snake_case	)	)
		__snake_case		       =     (float(__snake_case	) / len(__snake_case	)) * 100
		__snake_case		       =     message_letters_percentage >= letter_percentage
		return words_match and letters_match


if __name__ == "__main__":
		import doctest

		doctest.testmod()





