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* Create sumset.py * updating DIRECTORY.md * [pre-commit.ci] auto fixes from pre-commit.com hooks for more information, see https://pre-commit.ci * Add descriptive var names * Update maths/sumset.py Co-authored-by: Caeden <caedenperelliharris@gmail.com> * Update sumset.py * updating DIRECTORY.md Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com> Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com> Co-authored-by: Caeden <caedenperelliharris@gmail.com> Co-authored-by: Christian Clauss <cclauss@me.com>
38 lines
870 B
Python
38 lines
870 B
Python
"""
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Calculates the SumSet of two sets of numbers (A and B)
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Source:
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https://en.wikipedia.org/wiki/Sumset
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"""
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def sumset(set_a: set, set_b: set) -> set:
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"""
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:param first set: a set of numbers
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:param second set: a set of numbers
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:return: the nth number in Sylvester's sequence
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>>> sumset({1, 2, 3}, {4, 5, 6})
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{5, 6, 7, 8, 9}
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>>> sumset({1, 2, 3}, {4, 5, 6, 7})
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{5, 6, 7, 8, 9, 10}
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>>> sumset({1, 2, 3, 4}, 3)
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Traceback (most recent call last):
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...
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AssertionError: The input value of [set_b=3] is not a set
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"""
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assert isinstance(set_a, set), f"The input value of [set_a={set_a}] is not a set"
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assert isinstance(set_b, set), f"The input value of [set_b={set_b}] is not a set"
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return {a + b for a in set_a for b in set_b}
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if __name__ == "__main__":
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from doctest import testmod
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testmod()
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