



from string import ascii_uppercase
def 						snake_case__							(       __lowercase				,  __lowercase				,  __lowercase = False				,  __lowercase = ascii_uppercase							)		->		str:







						"""simple docstring"""

						A__						:				Union[str, Any]         =			keyword.upper()
						A__						:				int         =			plaintext.upper()
						A__						:				Any         =			set(__lowercase							)

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

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

						# create a modified alphabet by splitting the shifted alphabet into rows
						A__						:				Optional[Any]         =			[
						    shifted_alphabet[k : k + num_unique_chars_in_keyword]
						    for k in range(0				,  2_6				,  __lowercase							)
						]

						# map the alphabet characters to the modified alphabet characters
						# going 'vertically' through the modified alphabet - consider columns first
						A__						:				List[str]         =			{}
						A__						:				Union[str, Any]         =			0
						for column in range(__lowercase							):
												for row in modified_alphabet:
																		# if current row (the last one) is too short, break out of loop
																		if len(__lowercase							) <= column:
																								break

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

						if verbose:
												print(__lowercase							)
						# 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'))




from __future__ import annotations
def 						snake_case__							(       __lowercase				,  __lowercase				,  __lowercase				,  )		->		list[float | int]:







						"""simple docstring"""

						if not all((nth_term, start_term_a, common_ratio_r)							):
												return []
						A__						:				list[float | int]         =			[]
						A__						:				Optional[Any]         =			1
						A__						:				List[Any]         =			common_ratio_r
						for _ in range(int(__lowercase							)							):
												if not series:
																		series.append(__lowercase							)
												else:
																		power += 1
																		series.append(float(start_term_a * multiple							)							)
																		A__						:				Optional[Any]         =			pow(float(__lowercase							)				,  __lowercase							)
						return series


if __name__ == "__main__":
		import doctest

		doctest.testmod()

		snake_case     :    Optional[int]						=    float(input('Enter the last number (n term) of the Geometric Series'))
		snake_case     :    str						=    float(input('Enter the starting term (a) of the Geometric Series'))
		snake_case     :    int						=    float(
		    input('Enter the common ratio between two terms (r) of the Geometric Series')
		)
		print('Formula of Geometric Series => a + ar + ar^2 ... +ar^n')
		print(geometric_series(nth_term, start_term_a, common_ratio_r))