fix formatting
Merge pull request #18 from mthees7/master

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add day4 homework
Merge branch 'master' of github.com:epoch/wdi_sydney_2_hw
Merge branch 'master' of http://github.com/epoch/wdi_sydney_2_hw
add day5 homework
Merge branch 'master' of http://github.com/epoch/wdi_sydney_2_hw
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