Python program to Get Sum of N Series of an Element
#1,-0.5,0.25,-0.125...
x = int(input("Insert number of elements in the series: "))
y = 1
z = 0
sum = 0
while z < x:
sum += y
y = y/-2
z += 1
print(sum)
Output:
|
Insert number of elements in the series: 789
Insert number of elements in the series: 254 |