43.WAP to display sum of following series

 s=1 - 1/2 + 1/3 - 1/4 + 1/5 ....

CODE:

sum=0.0
sign=1
n=int(input("How many terms?\n"))
for i in range(1,n+1):
    sum=sum+((1/(i+1))*sign)
    sign=-sign
print("sum of series is ",sum)

OUTPUT:

How many terms?
5
sum of series is  0.3833333333333333