Program to print the given series

# x- x2+ x3 - x4 + ............xn

#     2   3    4                n

x=int(input("Enter the value of x "))

n=int(input("Enter the value of n "))

a=1

sum=0

m=1

for i in range(1,n+1):

    t= x**a/a

    a+=1

    sum+=t*m

    m*=-1

print(sum)