Ruby Learning # 20 Case Expressions

def get_day_name(day) day_name = ""

case day when "mon" day_name = "Monday" when "tue" day_name = "Tuesday" when "wed" day_name = "Wednesday" when "thu" day_name = "Thursday" when "fri" day_name = "friday" when "sat" day_name = "Saturday" when "sun" day_name = "Sunday" else day_name = "Invalid abbreviation" end

return day_name end

puts get_day_name("mon")

Monday

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