# Python Program to find the sum of all prime numbers in an array

In this program, you will learn how to find the sum of all prime numbers in an array in Python.

`a = arr.array('i', [2, 3, 4, 5])`

## Example: How to find the sum of all prime numbers in an array in Python

```
import array as arr
a = arr.array('i', [2, 3, 4, 5])
s = 0
for i in a:
num = i
j = 2
f = 1
while j < num:
if num % j == 0:
f = 0
break
j = j + 1
if f == 1:
s = s + num
print("Sum of all prime numbers are : ", s)
```

#### Output:

`Sum of all prime numbers are : 10`