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| import numpy as np | |
| def sigmoid(Z): | |
| """Applies sigmoid function to an array/value | |
| Arguments | |
| --------- | |
| Z: float/int/array_like | |
| Original Value | |
| Returns | |
| ------- | |
| A: same shape as input | |
| Value after applying sigmoid function | |
| """ | |
| return 1/(1+np.power(np.e, -Z)) |
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