human
formula for median of even numbered list.
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Here is a Python code formula for median of even numbered lists

import random

def _median_even(lst):
    """ Returns the median of an even-length list """
    return (lst[len(lst)//2-1] + lst[len(lst)//2]) / 2

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

# Calling the function
print((_median_even(lst)))

#Example Output
# 5.5

#Remember to inspect code for bugs.