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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def execute(self):
 # pylint: disable=no-self-use """Generate runway.yml."""

        if os.path.isfile('runway.yml'):
            print('Runway config already present')
            sys.exit(1)
        with open('runway.yml', 'w') as stream:
            stream.write("""---
deployments:
  - modules:
      - nameofmyfirstmodulefolder
      - nameofmysecondmodulefolder
      # - etc...
    regions:
      - us-east-1
""")
        print('runway.yml generated')
        print('See additional getting started information at '
              'https://docs.onica.com/projects/runway/en/latest/how_to_use.html')