Human: Python function for ming the sigmoid activation. Assistant: 
Here is a Python function for ming the sigmoid activation

import numpy as np

def sigmoid(x):
    """
    Program the sigmoid activation function.
    """
    return 1 / (1 + np.exp(-x))

# Enter the array
x = np.array([1, 2, 3])

# Calling the function
y = sigmoid(x)

# Printing the array
print(y)

#Example Output
# [0.73105858 0.88079708 0.95257413]

#Remember to inspect code for bugs.