Human: test the number of characters in list. Assistant: 
Here is a Python program to test the number of characters in a list

import math

def _test_list_length(list):
    """
    Test the number of characters in list.
    """
    return len(list)

# Enter the list
list = ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l','m', 'n', 'o', 'p', 'q', 'r','s', 't', 'u', 'v', 'w', 'x', 'y', 'z']

# Calling the function
print((_test_list_length(list)))

#Example Output
# 26

#Remember to inspect code for bugs.