Strand Difference
Hamming distance helps compare two strings of the same length, such as short DNA strands or codes. The function distance receives strand_a and strand_b and counts how many positions contain different characters. If the strings have different lengths, raise ValueError.
Примеры
Ввод
("", "")Вывод
0Ввод
("A", "A")Вывод
0Ввод
("A", "G")Вывод
1Нужно реализовать
def distance(strand_a: str, strand_b: str) -> int:
Теги
strings
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1
Input
"", ""Expected
02
Input
"A", "A"Expected
03
Input
"A", "G"Expected
14
Input
"GGACGGATTCTG", "AGGACGGATTCT"Expected
95
Input
"GGACG", "GGTCG"Expected
16
Input
"GCAGG", "GGTCG"Expected
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