"""simple docstring"""







def 						__UpperCAmelCase       (					UpperCAmelCase_					:       float    ,							UpperCAmelCase_					:       float						)							->    float:

	'''simple docstring'''





	return price * (1 + tax_rate)


if __name__ == "__main__":
	print(f'''{price_plus_tax(100, 0.2_5) = }''')
	print(f'''{price_plus_tax(1_2_5.5_0, 0.0_5) = }''')






"""simple docstring"""







import numpy as np
def 						__UpperCAmelCase       (					UpperCAmelCase_					:       np.array						)							->    np.array:

	'''simple docstring'''





	return 1 / (1 + np.exp(-vector						))


if __name__ == "__main__":
	import doctest

	doctest.testmod()





