---
title: "Functions: cheat sheet"
subtitle: "Python functions and events"
---

# Functions

> The commands and patterns from this unit. In the tutorial, open **Reference** in any playground to copy them.

:::keep-together

**dot**: Draw a filled dot of this size.

```python
dot(20)
```

:::

:::keep-together

**for each item**: Work through a list, one item at a time.

```python
for c in colours:
    pass
```

:::

:::keep-together

**def (function)**: Name a group of steps, then run it by calling its name.

```python
def shape():
    pass

shape()
```

:::

:::keep-together

**print**: Show text or a value in the output box.

```python
print("Hello")
```

:::

:::keep-together

**in**: True if the item is in the list (or the key is in the dictionary, or the letters are in the text).

```python
if item in bag:
    pass
```

:::