# Basic Operators

> Source: https://learn-python.com/basic-operators/
> Part of Learn Python, free to read.

This section explains how to use basic operators in Python.

### Arithmetic Operators

Just as any other programming languages, the addition, subtraction, multiplication, and division operators can be used with numbers.

```python
number = 1 + 2 * 3 / 4.0
print(number)
```

Try to predict what the answer will be. Does python follow order of operations?

Another operator available is the modulo (%) operator, which returns the integer remainder of the division. dividend % divisor = remainder.

```python
remainder = 11 % 3
print(remainder)
```

Using two multiplication symbols makes a power relationship.

```python
squared = 7 ** 2
cubed = 2 ** 3
print(squared)
print(cubed)
```

### Using Operators with Strings

Python supports concatenating strings using the addition operator:

```python
helloworld = "hello" + " " + "world"
print(helloworld)
```

Python also supports multiplying strings to form a string with a repeating sequence:

```python
lotsofhellos = "hello" * 10
print(lotsofhellos)
```

### Using Operators with Lists

Lists can be joined with the addition operators:

```python
even_numbers = [2,4,6,8]
odd_numbers = [1,3,5,7]
all_numbers = odd_numbers + even_numbers
print(all_numbers)
```

Just as in strings, Python supports forming new lists with a repeating sequence using the multiplication operator:

```python
print([1,2,3] * 3)
```