




"""simple docstring"""





from typing import TypeVar

from .arrow_dataset import Dataset, _split_by_node_map_style_dataset
from .iterable_dataset import IterableDataset, _split_by_node_iterable_dataset


_lowercase	      =    TypeVar("""DatasetType""", Dataset, IterableDataset)

def 		lowerCAmelCase							( lowerCamelCase      ,			lowerCamelCase      ,			lowerCamelCase		):
						'''simple docstring'''


						if isinstance(_UpperCAmelCase      ,			_UpperCAmelCase		):
												return _split_by_node_map_style_dataset(_UpperCAmelCase      ,			rank=_UpperCAmelCase      ,			world_size=_UpperCAmelCase		)
						else:
												return _split_by_node_iterable_dataset(_UpperCAmelCase      ,			rank=_UpperCAmelCase      ,			world_size=_UpperCAmelCase		)








"""simple docstring"""





from __future__ import annotations

def 		lowerCAmelCase							( lowerCamelCase      ,			lowerCamelCase      ,			lowerCamelCase      ,			):
						'''simple docstring'''


						if not all((nth_term, start_term_a, common_ratio_r)		):
												return []
						snake_case__       :					list[float | int]										=					[]
						snake_case__       :					List[str]										=					1
						snake_case__       :					Dict										=					common_ratio_r
						for _ in range(int(lowerCamelCase		)		):
												if not series:
																		series.append(lowerCamelCase		)
												else:
																		power += 1
																		series.append(float(start_term_a * multiple		)		)
																		snake_case__       :					Tuple										=					pow(float(lowerCamelCase		)      ,			lowerCamelCase		)
						return series


if __name__ == "__main__":
							import doctest

							doctest.testmod()

							_lowercase	      =    float(input("""Enter the last number (n term) of the Geometric Series"""))
							_lowercase	      =    float(input("""Enter the starting term (a) of the Geometric Series"""))
							_lowercase	      =    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))


