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update hamming_distance.md

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`list()` is not required since `str` itself has `count()`
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Gaddeti Rohit Babu
2021-02-18 17:52:25 +05:30
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snippets/hamming_distance.md
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@ -7,11 +7,11 @@ Calculates the Hamming distance between two values.
- Use the XOR operator (`^`) to find the bit difference between the two numbers. - Use the XOR operator (`^`) to find the bit difference between the two numbers.
- Use `bin()` to convert the result to a binary string. - Use `bin()` to convert the result to a binary string.
- Convert the string to a list and use `list.count()` to count and return the number of `1`s in it. - Convert the string to a list and use `count()` of `str` class to count and return the number of `1`s in it.
```py ```py
def hamming_distance(a, b): def hamming_distance(a, b):
return list(bin(a ^ b)).count('1') return bin(a ^ b).count('1')
``` ```
```py ```py