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* Add GitHub action file for pre-commit * Fix errors exposed by pre-commit hook: - Remove executable bit from files without shebang. I checked those file and it was not needed. - Fix with black * Apply suggestions from code review Co-authored-by: Christian Clauss <cclauss@me.com> Co-authored-by: Christian Clauss <cclauss@me.com>
24 lines
482 B
Python
24 lines
482 B
Python
# DarkCoder
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def sum_of_series(first_term, common_diff, num_of_terms):
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"""
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Find the sum of n terms in an arithmetic progression.
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>>> sum_of_series(1, 1, 10)
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55.0
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>>> sum_of_series(1, 10, 100)
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49600.0
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"""
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sum = (num_of_terms / 2) * (2 * first_term + (num_of_terms - 1) * common_diff)
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# formula for sum of series
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return sum
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def main():
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print(sum_of_series(1, 1, 10))
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if __name__ == "__main__":
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import doctest
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doctest.testmod()
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