← Lessons
🐍 Python for Beginners
Arithmetic operations
## Operations
| Sign | Meaning | Example | Answer |
|---|---|---|---|
| `+` | Add | `7 + 2` | 9 |
| `-` | Subtract | `7 - 2` | 5 |
| `*` | Multiply | `7 * 2` | 14 |
| `/` | Divide | `7 / 2` | 3.5 |
| `//` | Whole-number division | `7 // 2` | 3 |
| `%` | Remainder | `7 % 2` | 1 |
| `**` | Power | `7 ** 2` | 49 |
## Example: the last digit
```python
n = int(input())
print(n % 10)
```
## Rounding decimals
```python
x = 10 / 3
print(f"{x:.2f}") # 3.33
```
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