# Output

{% embed url="<https://docs.google.com/presentation/d/1KNFs4MhlXDs9vo8WI9LdDUhvhVnkwZ8tdlMR-AesKcI/edit?usp=sharing>" %}

## print function

The print function prints output to the console.

{% code title="hello.py" %}

```python
print("Hello World!")
```

{% endcode %}

{% code title="Terminal" %}

```bash
$ python hello.py 

```

{% endcode %}

{% code title="Output" %}

```
Hello World!
```

{% endcode %}

{% hint style="info" %}
Objects are automatically converted to string representations for printing.
{% endhint %}

Reference: <https://docs.python.org/3/library/functions.html#print>

## String Concatenation and Formatting

String concatenation is the operation of joining character strings.  In Python, there are several ways to concatenation strings. &#x20;

### Comma

```python
print("hello","world")
```

### String Concatenation

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

### String Interpolation

```python
print("{0} {1}".format("hello","world"))
```

### Format Literals&#x20;

Python 3.6 introduced format literals, with a more elegant syntax (less redundancy).

```python
greeting = "hello"
who = "humans"
print(f"{greeting} {who}")
```


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