Count Sum of numbers in given Range

Question

To Count the sum of numbers in given range.

Sample TestCaseExpected Output

Enter lower range :  2                                                                                            Sum is 9

Enter Upper range : 4

Answer

lower=int(input("Enter lower range : "))

upper=int(input("Enter upper range : "))

sum=0

for i in range(lower,upper+1):

    sum+=i

    i+=1

print("Sum is ",sum)