Formats the help string.

def format_help(help):
    """Formats the help string."""
    help = help.replace("Options:", str(crayons.normal("Options:", bold=True)))
    help = help.replace(
        "Usage: pipenv", str("Usage: {0}".format(crayons.normal("pipenv", bold=True)))
    )
    help = help.replace("  check", str(crayons.red("  check", bold=True)))
    help = help.replace("  clean", str(crayons.red("  clean", bold=True)))
    help = help.replace("  graph", str(crayons.red("  graph", bold=True)))
    help = help.replace("  install", str(crayons.magenta("  install", bold=True)))
    help = help.replace("  lock", str(crayons.green("  lock", bold=True)))
    help = help.replace("  open", str(crayons.red("  open", bold=True)))
    help = help.replace("  run", str(crayons.yellow("  run", bold=True)))
    help = help.replace("  shell", str(crayons.yellow("  shell", bold=True)))
    help = help.replace("  sync", str(crayons.green("  sync", bold=True)))
    help = help.replace("  uninstall", str(crayons.magenta("  uninstall", bold=True)))
    help = help.replace("  update", str(crayons.green("  update", bold=True)))
    additional_help = """
Usage Examples:
   Create a new project using Python 3.7, specifically:
   $ {1}

   Remove project virtualenv (inferred from current directory):
   $ {9}

   Install all dependencies for a project (including dev):
   $ {2}

   Create a lockfile containing pre-releases:
   $ {6}

   Show a graph of your installed dependencies:
   $ {4}

   Check your installed dependencies for security vulnerabilities:
   $ {7}

   Install a local setup.py into your virtual environment/Pipfile:
   $ {5}

   Use a lower-level pip command:
   $ {8}

Commands:""".format(
        crayons.red("pipenv --three"),
        crayons.red("pipenv --python 3.7"),
        crayons.red("pipenv install --dev"),
        crayons.red("pipenv lock"),
        crayons.red("pipenv graph"),
        crayons.red("pipenv install -e ."),
        crayons.red("pipenv lock --pre"),
        crayons.red("pipenv check"),
        crayons.red("pipenv run pip freeze"),
        crayons.red("pipenv --rm"),
    )
    help = help.replace("Commands:", additional_help)
    return help