Those who have done R kindly help me complete this project

Question

You need to create a function that takes two parameters and returns the sum of all numbers between the two parameters inclusive.
The given code takes two numbers from input and passes them to a function called rangeSum().

Task
Define the rangeSum() function, so that the code works as expected.

Sample Input
4
9

Sample Output
[1] 39

Explanation
For the inputs 4 and 9, the returned value should be 39.

Answer 1

PHILEMON MAKUBO NYAMAGAINI
Please kindly show us what you have attempted..
This is an end of module project which is immediately after the 2 quiz .. I would suggest reviewing the material prior to the quiz.

Answer 2

BroFar

Justice here is what I tried...
rangeSum<-function(a,b){
rangeSum<-0
for(i in a:b){
rangeSum<-rangeSum+i
}
return(rangeSum)
}

rangeSum(42,64)

but I got only test case 1 correct. the rest are marked wrong I don't know why