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The most common answer for the 4.8.4 Better Sum CodeHS is:

```
# Enter your code here
firstnum = int(input("What is your frist number?: "))
lastnum = int(input("What is your second number?: "))
sum = 0
for i in range(firstnum, lastnum + 1):
sum += i
print(sum)
```

It is almost correct, but it seems to lack proper indentation, which is essential in Python. Here’s the corrected version with proper indentation:

```
firstnum = int(input("What is your first number?: "))
lastnum = int(input("What is your second number?: "))
sum = 0
for i in range(firstnum, lastnum + 1):
sum += i
print(sum)
```

This code will take two numbers as input from the user and calculate the sum of all the numbers from the first number to the second number, inclusive. The `range(firstnum, lastnum + 1)`

function generates a sequence of numbers starting from `firstnum`

and ending at `lastnum`

. The loop then iterates through this range, adding each number to the `sum`

variable. After the loop completes, the total sum is printed.

Just make sure that `firstnum`

is less than or equal to `lastnum`

. If `firstnum`

is greater than `lastnum`

, the `range`

function will not generate any numbers, and the sum will be 0.

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