### Install 'assume' CLI

Source: https://github.com/sanderknape/assume/blob/master/README.md

Install the 'assume' utility using pip. This command is used to add the CLI to your Python environment.

```bash
pip install assume
```

--------------------------------

### Add a Specific Role with ARN

Source: https://github.com/sanderknape/assume/blob/master/README.md

Example of adding a role named 'myrole' with its specific ARN. If no profile is specified, the default profile is used.

```bash
assume add myrole --role-arn arn:aws:iam::012345678912:role/myrole
```

--------------------------------

### Set up Development Environment

Source: https://github.com/sanderknape/assume/blob/master/CONTRIBUTING.md

Clone the repository and set up a Python virtual environment. Activate the environment and initialize the project dependencies.

```bash
cd /path/to/cloned/repository
python3 -m venv venv
source venv/bin/activate
make init
```

--------------------------------

### Show 'assume' CLI Help

Source: https://github.com/sanderknape/assume/blob/master/README.md

Display all available commands and options for the 'assume' CLI. Use this to understand the full range of functionality.

```bash
assume --help
```

--------------------------------

### List Configured Roles

Source: https://github.com/sanderknape/assume/blob/master/README.md

Display the contents of the 'assume' configuration file, located at `~/.assume/config.yaml`. This shows all roles that have been added.

```bash
assume list
```

--------------------------------

### Run Linter

Source: https://github.com/sanderknape/assume/blob/master/CONTRIBUTING.md

Execute the linter to check for code style and potential issues.

```bash
make lint
```

--------------------------------

### Switch to an Assumed Role

Source: https://github.com/sanderknape/assume/blob/master/README.md

Switch the active AWS credentials to the specified role. This command modifies the `~/.aws/credentials` file.

```bash
assume switch myrole
```

--------------------------------

### Clear Assumed Role and Revert

Source: https://github.com/sanderknape/assume/blob/master/README.md

Revert to the original default AWS role. This command restores the credentials that were temporarily stored when 'assume switch' was last run.

```bash
assume clear
```

--------------------------------

### Add a New AWS Role to Assume

Source: https://github.com/sanderknape/assume/blob/master/README.md

Add a new IAM role to the 'assume' configuration. You must provide a role name and the ARN of the role to assume. The AWS profile can be optionally specified.

```bash
assume add [rolename] --role-arn [arn] --profile [profile]
```

--------------------------------

### Remove a Role from Configuration

Source: https://github.com/sanderknape/assume/blob/master/README.md

Remove a previously added role from the 'assume' configuration. This command permanently deletes the role entry from `~/.assume/config.yaml`.

```bash
assume remove myrole
```

=== COMPLETE CONTENT === This response contains all available snippets from this library. No additional content exists. Do not make further requests.