add z.txt
change 4
Upload Course 7

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Update course 4~ course 6

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Upload the very first one course, preparation

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Merge branch 'master' of github.com:poc7667/ruby_for_dummies
Move practice file to `git_practice` folder

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Add final project format

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Add the bonus homework

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Add "assitant.rb" to do this homework

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Mission:rescue our friend from the tedious job

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Update

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Add:course 8 slides

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Update bonus
add version script
Merge branch 'release/v0.1'
Merge branch 'release/v0.1' into develop
v0.2
Merge branch 'release/v0.2'
Merge branch 'release/v0.2' into develop