<human>:  What is a good Python function to sigmoid activation.
<bot>: Here is a Python function to sigmoid activation

import numpy as np

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

# Enter the number
x = 10

# Calling the function
print((sigmoid(x)))

#Example Output
# 0.9999546021312976

#Remember to inspect code for bugs.