How to use the hokusai.lib.common.select_context function in hokusai

def delete(staging, production, verbose):
  """Delete the Kubernetes remote resources defined in ./hokusai/{staging/production}.yml"""
  set_verbosity(verbose)
  context = select_context(staging, production)
  hokusai.environment_delete(context)

def update(staging, production, verbose):
  """Update the Kubernetes remote resources defined in ./hokusai/{staging/production}.yml"""
  set_verbosity(verbose)
  context = select_context(staging, production)
  hokusai.environment_update(context)

def get(env_vars, staging, production, verbose):
  """Print environment variables stored on the Kubernetes server"""
  set_verbosity(verbose)
  context = select_context(staging, production)
  hokusai.get_env(context, env_vars)

def delete(staging, production, verbose):
  """Delete the Kubernetes configmap object `{project_name}-environment`"""
  set_verbosity(verbose)
  context = select_context(staging, production)
  hokusai.delete_env(context)

def unset(env_vars, staging, production, verbose):
  """Unset environment variables - each of {ENV_VARS} must be of the form 'KEY'"""
  set_verbosity(verbose)
  context = select_context(staging, production)
  hokusai.unset_env(context, env_vars)

def status(staging, production, verbose):
  """Print the Kubernetes remote resources status defined in ./hokusai/{staging/production}.yml"""
  set_verbosity(verbose)
  context = select_context(staging, production)
  hokusai.environment_status(context)

def set(env_vars, staging, production, verbose):
  """Set environment variables - each of {ENV_VARS} must be in of form 'KEY=VALUE'"""
  set_verbosity(verbose)
  context = select_context(staging, production)
  hokusai.set_env(context, env_vars)

def run(command, staging, production, tty, tag, env, constraint, verbose):
  """Launch a new container and run a command in a given environment"""
  set_verbosity(verbose)
  context = select_context(staging, production)
  hokusai.run(context, command, tty, tag, env, constraint)

def logs(staging, production, timestamps, follow, tail, verbose):
  """Get container logs for a given environment"""
  set_verbosity(verbose)
  context = select_context(staging, production)
  hokusai.logs(context, timestamps, follow, tail)

def create(staging, production, verbose):
  """Create the Kubernetes remote resources defined in ./hokusai/{staging/production}.yml"""
  set_verbosity(verbose)
  context = select_context(staging, production)
  hokusai.environment_create(context)