Created
August 7, 2023 09:47
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speed diff in collection types is bonkers
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| def unique_sum_with_list(howMany): | |
| sum = 0 | |
| seen_numbers = [] | |
| for n in range(howMany): | |
| if n in seen_numbers: | |
| continue | |
| sum += n | |
| seen_numbers.append(n) | |
| print("list sum: " + str(sum)) | |
| return sum | |
| def unique_sum_with_set(howMany): | |
| sum = 0 | |
| seen_numbers = set() | |
| for n in range(howMany): | |
| if n in seen_numbers: | |
| continue | |
| sum += n | |
| seen_numbers.add(n) | |
| print("set sum: " + str(sum)) | |
| return sum | |
| def unique_sum_with_dict(howMany): | |
| sum = 0 | |
| seen_numbers = {} | |
| for n in range(howMany): | |
| if n in seen_numbers: | |
| continue | |
| sum += n | |
| seen_numbers[n] = None | |
| print("dict sum: " + str(sum)) | |
| return sum | |
| def unique_sum_with_tuple(howMany): | |
| sum = 0 | |
| seen_numbers = () | |
| for n in range(howMany): | |
| if n in seen_numbers: | |
| continue | |
| sum += n | |
| seen_numbers = (*seen_numbers, n) | |
| print("tuple sum: " + str(sum)) | |
| return sum | |
| if __name__ == '__main__': | |
| how_many_numbers = 102400 | |
| unique_sum_with_tuple(how_many_numbers) | |
| unique_sum_with_dict(how_many_numbers) | |
| unique_sum_with_set(how_many_numbers) | |
| unique_sum_with_list(how_many_numbers) |
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