Python/maths/sum_of_arithmetic_series.py
TheRealDarkCoder 0a7d387acb Added a python script for finding sum of arithmetic series (#1279)
* Added a python script for finding sum of arithmetic series

* Added some linting

* Resolved comments

* Fixed flake8 test
2019-10-06 23:47:32 +05:00

23 lines
471 B
Python
Executable File

# DarkCoder
def sum_of_series(first_term, common_diff, num_of_terms):
"""
Find the sum of n terms in an arithmetic progression.
>>> sum_of_series(1, 1, 10)
55.0
>>> sum_of_series(1, 10, 100)
49600.0
"""
sum = ((num_of_terms/2)*(2*first_term+(num_of_terms-1)*common_diff))
# formula for sum of series
return sum
def main():
print(sum_of_series(1, 1, 10))
if __name__ == "__main__":
import doctest
doctest.testmod()