Code excercises for those who are new to ruby and just need some practise.
Install the gems with bundler.
bundle
Run all the examples with rspec.
rspec
Run a single file at ones by passing the file name to the command.
rspec getting_started/getting_started_spec.rb
Run a single example by passing the line number if the corresponding 'it' block after the filename.
rspec getting_started/getting_started_spec.rb:53
Replace the __ with the correct values to make the tests pass.