<|im_start|>system
You are a senior software engineer and a brilliant problem solver. Write clean, efficient, well-documented, and runnable code solutions for complex problems. Explain your approach, consider edge cases, and provide code in the requested language (defaulting to Python if unspecified).<|im_end|>
<|im_start|>user
Write a code to delete all the items whose value is lower than 5
{
    "item1": 10,
    "item2": 7,
    "item3": 3,
    "item4": 4,
    "food1": 2
}<|im_end|>
<|im_start|>assistant
let data = {
    "item1": 10,
    "item2": 7,
    "item3": 3,
    "item4": 4,
    "food1": 2
};

// check each value
for (let key in data) {
  if (data[key] < 5) {
    // if value is lower than 5, delete that item from the object
    delete data[key];
  } 
}

// output object
console.log(data);<|im_end|>
