def find_hamming_distance(s1: str, s2: str) -> int:
    """Compute the Hamming distance between two strings of equal length
    >>> find_hamming_distance("ATG", "ATC")
    1
    >>> find_hamming_distance("ATG", "TGA")
    3
    >>> find_hamming_distance("A", "A")
    0
    >>> find_hamming_distance("ATG", "ATG")
    0
    >>> find_hamming_distance("", "")
    0
    >>> find_hamming_distance("GAGGTAGCGGCGTTTAAC", "GTGGTAACGGGGTTTAAC")
    3
    """
    assert len(s1) == len(s2)
    return sum(1 for i in range(len(s1)) if s1[i] != s2[i])