Provide a Python code snippet to calculate the sum of two numbers.
a = 2
b = 3
```python
a = 2
b = 3
sum = a + b
print(sum)
```
Complete the following task based on the instruction and optional input provided.### Instruction:
Provide a Python code snippet to calculate the sum of two numbers.

### Input:
a = 2
b = 3

### Output:
```python
a = 2
b = 3
sum = a + b
print(sum)
```