coding for food
[Ruby] exercise _ Hash To Pairs
silveryen
2022. 8. 5. 12:57
Write a method hash_to_pairs that takes in a hash and returns a 2D array representing each key-value pair of the hash.
def hash_to_pairs(hash)
end
print hash_to_pairs({"name"=>"skateboard", "wheels"=>4, "weight"=>"7.5 lbs"}) #=> [["name", "skateboard"], ["wheels", 4], ["weight", "7.5 lbs"]]
puts
print hash_to_pairs({"kingdom"=>"animalia", "genus"=>"canis", "breed"=>"German Shepherd"}) #=> [["kingdom", "animalia"], ["genus", "canis"], ["breed", "German Shepherd"]]
puts
my code
def hash_to_pairs(hash)
pair = []
hash.each do |key, value|
pair << [key, value]
end
return pair
end
print hash_to_pairs({"name"=>"skateboard", "wheels"=>4, "weight"=>"7.5 lbs"}) #=> [["name", "skateboard"], ["wheels", 4], ["weight", "7.5 lbs"]]
puts
print hash_to_pairs({"kingdom"=>"animalia", "genus"=>"canis", "breed"=>"German Shepherd"}) #=> [["kingdom", "animalia"], ["genus", "canis"], ["breed", "German Shepherd"]]
puts
solution
def hash_to_pairs(hash)
pairs = []
hash.each { |key, val| pairs << [key, val] }
return pairs
end
print hash_to_pairs({"name"=>"skateboard", "wheels"=>4, "weight"=>"7.5 lbs"}) #=> [["name", "skateboard"], ["wheels", 4], ["weight", "7.5 lbs"]]
puts
print hash_to_pairs({"kingdom"=>"animalia", "genus"=>"canis", "breed"=>"German Shepherd"}) #=> [["kingdom", "animalia"], ["genus", "canis"], ["breed", "German Shepherd"]]
puts