

"""simple docstring"""






import math
import random



def   lowercase_	(    _lowercase       :		float							,      _lowercase       :		bool = False	):




					'''simple docstring'''






					if deriv:
										return value * (1 - value)
					return 1 / (1 + math.exp(-value	))


# Initial Value
snake_case_   :   Dict        =       0.02



def   lowercase_	(    _lowercase       :		int							,      _lowercase       :		int	):




					'''simple docstring'''






					UpperCAmelCase			:   Dict      =				float(2 * (random.randint(1							,      1_00	)) - 1	)

					for _ in range(_lowercase	):
										# Forward propagation
										UpperCAmelCase			:   List[str]      =				sigmoid_function(INITIAL_VALUE * weight	)
										# How much did we miss?
										UpperCAmelCase			:   Tuple      =				(expected / 1_00) - layer_a
										# Error delta
										UpperCAmelCase			:   Dict      =				layer_1_error * sigmoid_function(_lowercase							,      _lowercase	)
										# Update weight
										weight += INITIAL_VALUE * layer_1_delta

					return layer_a * 1_00


if __name__ == "__main__":
	import doctest

	doctest.testmod()

	snake_case_   :   Optional[Any]        =       int(input("""Expected value: """))
	snake_case_   :   Dict        =       int(input("""Number of propagations: """))
	print(forward_propagation(expected, number_propagations))





"""simple docstring"""






snake_case_   :   str        =       [
    """DownloadConfig""",
    """DownloadManager""",
    """DownloadMode""",
    """StreamingDownloadManager""",
]

from .download_config import DownloadConfig
from .download_manager import DownloadManager, DownloadMode
from .streaming_download_manager import StreamingDownloadManager


