#361
Stock checking
| Difficulty: | Easy |
| Topics: | Real life cases List of Maps |
Mission: "Stock Summary Report" memerlukan elo untuk membuat ringkasan stok produk dari sebuah gudang. Data produk disediakan dalam list of maps, dengan setiap map mengandung :product, :category, dan :quantity. Buatlah summary report yang mengelompokkan total quantity per :category.
 | (= (__ [{:product "Laptop" :category "Electronics" :quantity 30}
{:product "Smartphone" :category "Electronics" :quantity 50}
{:product "Desk" :category "Furniture" :quantity 15}])
{"Electronics" 80, "Furniture" 15}) |
| (= (__ [{:product "Chair" :category "Furniture" :quantity 5}
{:product "Table" :category "Furniture" :quantity 10}
{:product "Lamp" :category "Decor" :quantity 5}])
{"Furniture" 15, "Decor" 5}) |
| (= (__ [{:product "Notebook" :category "Stationery" :quantity 20}
{:product "Pen" :category "Stationery" :quantity 100}
{:product "Eraser" :category "Stationery" :quantity 50}])
{"Stationery" 170}) |
| (= (__ []) {})
|