In this program, You will learn how to sum all the numbers in a list using the function in Python.

`data = [2, 3, 4, 5]`

## Example: How to sum all the numbers in a list using the function in Python

```
def sumall(values):
s = 0
for value in values:
s = s + value
print("Sum of list is:", s)
k = int(input("Enter how many number:"))
data = []
print("Enter numbers:", end="")
for i in range(0, k):
num = int(input())
data.append(num)
sumall(data)
```

#### Output:

```
Enter how many number:4
Enter numbers:10
20
30
40
Sum of list is: 100
```