Downgrade Gemfile to 2.0.0
Downgrade Gemfile to 2.0.0
Bar initializes with a name
bar initializes with empty menu
bar can add menu items
bar can retrieve menu items
bar has default happy_discount of zero
bar can set happy_discount
bar only returns a discount when it is happy hour
discount must be between zero and one
bar knows when it is happy hour and when it is not
#get_price returns price for drink name
get_price returns normal price or discount price depending on happy_hour or not