Time to add up the first100000000 numbers

 Script

#!/usr/local/bin/python3.7

from time import perf_counter

sum = 0

start = perf_counter()

for n  in range(1, 100000000):

    sum = sum + n

elapsed = perf_counter() - start

print("Sum: ", sum, "           Time in seconds: ", elapsed)

Execution

Sum:  4999999950000000            Time in seconds:  11.580363074