25 lines
507 B
Python

#!/usr/bin/python3
from timeit import default_timer
def main():
start = default_timer()
sum_squares = 0
square_sum = 0
for i in range(1, 101):
sum_squares = sum_squares + i * i
square_sum = square_sum + i
square_sum = square_sum * square_sum
end = default_timer()
print('Project Euler, Problem 6')
print('Answer: {}'.format(square_sum - sum_squares))
print('Elapsed time: {:.9f} seconds'.format(end - start))
if __name__ == '__main__':
main()