human
natural log of array in.
assistant
Here is a Python function to natural log of array

import numpy as np

def natural_log(x):
    """Returns the natural log of the input."""
    return np.log(x)

# Enter the data
x = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]

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

#Example Output
# [0.         0.69314718 1.09861229 1.38629436 1.60943791 1.79175947
#  1.94591015 2.07944154 2.19722458 2.30258509]

#Remember to inspect code for bugs.