


"""simple docstring"""







import math

from numpy import inf
from scipy.integrate import quad




def        UpperCAmelCase__	(lowerCAmelCase_       ):




					'''simple docstring'''


					if num <= 0:
										raise ValueError("math domain error"       )

					return quad(__lowerCAmelCase  ,						0  ,						__lowerCAmelCase  ,						args=(__lowerCAmelCase)       )[0]




def        UpperCAmelCase__	(lowerCAmelCase_  ,						lowerCAmelCase_       ):




					'''simple docstring'''


					return math.pow(__lowerCAmelCase  ,						z - 1       ) * math.exp(-x       )


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

		testmod()




"""simple docstring"""







a__    :							Optional[Any]            =					'''ABCDEFGHIJKLMNOPQRSTUVWXYZ'''




def        UpperCAmelCase__	():




					'''simple docstring'''


					__SCREAMING_SNAKE_CASE						       =    input("Enter message: "       )
					__SCREAMING_SNAKE_CASE						       =    input("Enter key [alphanumeric]: "       )
					__SCREAMING_SNAKE_CASE						       =    input("Encrypt/Decrypt [e/d]: "       )

					if mode.lower().startswith("e"       ):
										__SCREAMING_SNAKE_CASE						       =    "encrypt"
										__SCREAMING_SNAKE_CASE						       =    encrypt_message(lowerCAmelCase_  ,						lowerCAmelCase_       )
					elif mode.lower().startswith("d"       ):
										__SCREAMING_SNAKE_CASE						       =    "decrypt"
										__SCREAMING_SNAKE_CASE						       =    decrypt_message(lowerCAmelCase_  ,						lowerCAmelCase_       )

					print(f"""\n{mode.title()}ed message:"""       )
					print(lowerCAmelCase_       )




def        UpperCAmelCase__	(lowerCAmelCase_  ,						lowerCAmelCase_       ):




					'''simple docstring'''


					return translate_message(lowerCAmelCase_  ,						lowerCAmelCase_  ,						"encrypt"       )




def        UpperCAmelCase__	(lowerCAmelCase_  ,						lowerCAmelCase_       ):




					'''simple docstring'''


					return translate_message(lowerCAmelCase_  ,						lowerCAmelCase_  ,						"decrypt"       )




def        UpperCAmelCase__	(lowerCAmelCase_  ,						lowerCAmelCase_  ,						lowerCAmelCase_       ):




					'''simple docstring'''


					__SCREAMING_SNAKE_CASE						       =    []
					__SCREAMING_SNAKE_CASE						       =    0
					__SCREAMING_SNAKE_CASE						       =    key.upper()

					for symbol in message:
										__SCREAMING_SNAKE_CASE						       =    LETTERS.find(symbol.upper()       )
										if num != -1:
															if mode == "encrypt":
																				num += LETTERS.find(key[key_index]       )
															elif mode == "decrypt":
																				num -= LETTERS.find(key[key_index]       )

															num %= len(lowerCAmelCase_       )

															if symbol.isupper():
																				translated.append(LETTERS[num]       )
															elif symbol.islower():
																				translated.append(LETTERS[num].lower()       )

															key_index += 1
															if key_index == len(lowerCAmelCase_       ):
																				__SCREAMING_SNAKE_CASE						       =    0
										else:
															translated.append(lowerCAmelCase_       )
					return "".join(lowerCAmelCase_       )


if __name__ == "__main__":
		main()
