[
    {
        "instruction": "Use map function to double each element in an array.",
        "input": "[1, 2, 3, 4]",
        "output": "function double(x) {\n    return x * 2;\n}\n\nlet result = array.map(double);"
    },
    {
        "instruction": "Use filter function to get only even numbers from an array.",
        "input": "[1, 2, 3, 4, 5, 6]",
        "output": "function isEven(x) {\n    return x % 2 === 0;\n}\n\nlet result = array.filter(isEven);"
    },
    {
        "instruction": "Use map function to square each element in an array.",
        "input": "[1, 2, 3, 4]",
        "output": "function square(x) {\n    return x * x;\n}\n\nlet result = array.map(square);"
    },
    {
        "instruction": "Use filter function to get only numbers greater than 3 from an array.",
        "input": "[1, 2, 3, 4, 5]",
        "output": "function greaterThanThree(x) {\n    return x > 3;\n}\n\nlet result = array.filter(greaterThanThree);"
    },
    {
        "instruction": "Use map function to convert each element in an array to a string.",
        "input": "[1, 2, 3, 4]",
        "output": "function toString(x) {\n    return x.toString();\n}\n\nlet result = array.map(toString);"
    },
    {
        "instruction": "Use filter function to get only numbers less than 5 from an array.",
        "input": "[3, 5, 8, 1, 4]",
        "output": "function lessThanFive(x) {\n    return x < 5;\n}\n\nlet result = array.filter(lessThanFive);"
    },
    {
        "instruction": "Use map function to add 10 to each element in an array.",
        "input": "[5, 10, 15]",
        "output": "function addTen(x) {\n    return x + 10;\n}\n\nlet result = array.map(addTen);"
    },
    {
        "instruction": "Use filter function to get only odd numbers from an array.",
        "input": "[2, 3, 4, 5, 6]",
        "output": "function isOdd(x) {\n    return x % 2 !== 0;\n}\n\nlet result = array.filter(isOdd);"
    },
    {
        "instruction": "Use map function to negate each element in an array.",
        "input": "[-1, 2, -3, 4]",
        "output": "function negate(x) {\n    return -x;\n}\n\nlet result = array.map(negate);"
    },
    {
        "instruction": "Use filter function to get only positive numbers from an array.",
        "input": "[-3, -2, 0, 2, 4]",
        "output": "function isPositive(x) {\n    return x > 0;\n}\n\nlet result = array.filter(isPositive);"
    },
    {
        "instruction": "Use map function to get the length of each string in an array.",
        "input": "[\"apple\", \"banana\", \"cherry\"]",
        "output": "function getLength(x) {\n    return x.length;\n}\n\nlet result = array.map(getLength);"
    },
    {
        "instruction": "Use filter function to get only strings longer than 4 characters from an array.",
        "input": "[\"apple\", \"cat\", \"banana\"]",
        "output": "function longerThanFour(x) {\n    return x.length > 4;\n}\n\nlet result = array.filter(longerThanFour);"
    },
    {
        "instruction": "Use map function to convert each string in an array to uppercase.",
        "input": "[\"apple\", \"banana\", \"cherry\"]",
        "output": "function toUpperCase(x) {\n    return x.toUpperCase();\n}\n\nlet result = array.map(toUpperCase);"
    },
    {
        "instruction": "Use filter function to get only strings containing the letter 'a' from an array.",
        "input": "[\"apple\", \"dog\", \"banana\", \"cherry\"]",
        "output": "function containsA(x) {\n    return x.includes('a');\n}\n\nlet result = array.filter(containsA);"
    },
    {
        "instruction": "Use map function to multiply each element in an array by 3.",
        "input": "[1, 2, 3, 4]",
        "output": "function multiplyByThree(x) {\n    return x * 3;\n}\n\nlet result = array.map(multiplyByThree);"
    },
    {
        "instruction": "Use filter function to get only numbers divisible by 2 from an array.",
        "input": "[1, 2, 3, 4, 5, 6]",
        "output": "function isDivisibleByTwo(x) {\n    return x % 2 === 0;\n}\n\nlet result = array.filter(isDivisibleByTwo);"
    },
    {
        "instruction": "Use map function to subtract 1 from each element in an array.",
        "input": "[1, 2, 3, 4]",
        "output": "function subtractOne(x) {\n    return x - 1;\n}\n\nlet result = array.map(subtractOne);"
    },
    {
        "instruction": "Use filter function to get only non-negative numbers from an array.",
        "input": "[-1, 0, 1, 2, -2]",
        "output": "function isNonNegative(x) {\n    return x >= 0;\n}\n\nlet result = array.filter(isNonNegative);"
    },
    {
        "instruction": "Use map function to append '!' to each string in an array.",
        "input": "[\"hello\", \"world\"]",
        "output": "function appendExclamation(x) {\n    return x + '!';\n}\n\nlet result = array.map(appendExclamation);"
    },
    {
        "instruction": "Use filter function to get only strings that start with the letter 'b' from an array.",
        "input": "[\"apple\", \"banana\", \"cherry\", \"blueberry\"]",
        "output": "function startsWithB(x) {\n    return x.startsWith('b');\n}\n\nlet result = array.filter(startsWithB);"
    },
	    {
        "instruction": "Use map function to get the names of all persons in an array of person objects.",
        "input": "[{\"name\": \"Alice\", \"age\": 30}, {\"name\": \"Bob\", \"age\": 25}]",
        "output": "function getName(person) {\n    return person.name;\n}\n\nlet result = array.map(getName);"
    },
    {
        "instruction": "Use filter function to get all persons older than 25 in an array of person objects.",
        "input": "[{\"name\": \"Alice\", \"age\": 30}, {\"name\": \"Bob\", \"age\": 25}]",
        "output": "function isOlderThan25(person) {\n    return person.age > 25;\n}\n\nlet result = array.filter(isOlderThan25);"
    },
    {
        "instruction": "Use map function to get the names of all cars in an array of car objects.",
        "input": "[{\"make\": \"Toyota\", \"model\": \"Corolla\"}, {\"make\": \"Honda\", \"model\": \"Civic\"}]",
        "output": "function getCarName(car) {\n    return car.make + ' ' + car.model;\n}\n\nlet result = array.map(getCarName);"
    },
    {
        "instruction": "Use filter function to get all cars of a specific make in an array of car objects.",
        "input": "[{\"make\": \"Toyota\", \"model\": \"Corolla\"}, {\"make\": \"Honda\", \"model\": \"Civic\"}]",
        "output": "function isToyota(car) {\n    return car.make === 'Toyota';\n}\n\nlet result = array.filter(isToyota);"
    },
    {
        "instruction": "Use map function to get the names of all cities in an array of city objects.",
        "input": "[{\"name\": \"New York\", \"population\": 8000000}, {\"name\": \"Los Angeles\", \"population\": 4000000}]",
        "output": "function getCityName(city) {\n    return city.name;\n}\n\nlet result = array.map(getCityName);"
    },
    {
        "instruction": "Use filter function to get all cities with a population greater than 5 million in an array of city objects.",
        "input": "[{\"name\": \"New York\", \"population\": 8000000}, {\"name\": \"Los Angeles\", \"population\": 4000000}]",
        "output": "function isLargeCity(city) {\n    return city.population > 5000000;\n}\n\nlet result = array.filter(isLargeCity);"
    },
    {
        "instruction": "Use map function to get the ages of all persons in an array of person objects.",
        "input": "[{\"name\": \"Alice\", \"age\": 30}, {\"name\": \"Bob\", \"age\": 25}]",
        "output": "function getAge(person) {\n    return person.age;\n}\n\nlet result = array.map(getAge);"
    },
    {
        "instruction": "Use filter function to get all persons younger than 30 in an array of person objects.",
        "input": "[{\"name\": \"Alice\", \"age\": 30}, {\"name\": \"Bob\", \"age\": 25}]",
        "output": "function isYoungerThan30(person) {\n    return person.age < 30;\n}\n\nlet result = array.filter(isYoungerThan30);"
    },
    {
        "instruction": "Use map function to get the full names of all persons in an array of person objects with first and last names.",
        "input": "[{\"firstName\": \"Alice\", \"lastName\": \"Smith\"}, {\"firstName\": \"Bob\", \"lastName\": \"Johnson\"}]",
        "output": "function getFullName(person) {\n    return person.firstName + ' ' + person.lastName;\n}\n\nlet result = array.map(getFullName);"
    },
    {
        "instruction": "Use filter function to get all cars of a specific model in an array of car objects.",
        "input": "[{\"make\": \"Toyota\", \"model\": \"Corolla\"}, {\"make\": \"Honda\", \"model\": \"Civic\"}]",
        "output": "function isCorolla(car) {\n    return car.model === 'Corolla';\n}\n\nlet result = array.filter(isCorolla);"
    },
    {
        "instruction": "Use map function to get the populations of all cities in an array of city objects.",
        "input": "[{\"name\": \"New York\", \"population\": 8000000}, {\"name\": \"Los Angeles\", \"population\": 4000000}]",
        "output": "function getPopulation(city) {\n    return city.population;\n}\n\nlet result = array.map(getPopulation);"
    },
    {
        "instruction": "Use filter function to get all cities with a name starting with 'N' in an array of city objects.",
        "input": "[{\"name\": \"New York\", \"population\": 8000000}, {\"name\": \"Los Angeles\", \"population\": 4000000}]",
        "output": "function nameStartsWithN(city) {\n    return city.name.startsWith('N');\n}\n\nlet result = array.filter(nameStartsWithN);"
    },
    {
        "instruction": "Use map function to get the initials of all persons in an array of person objects with first and last names.",
        "input": "[{\"firstName\": \"Alice\", \"lastName\": \"Smith\"}, {\"firstName\": \"Bob\", \"lastName\": \"Johnson\"}]",
        "output": "function getInitials(person) {\n    return person.firstName.charAt(0) + person.lastName.charAt(0);\n}\n\nlet result = array.map(getInitials);"
    },
    {
        "instruction": "Use filter function to get all persons with last names starting with 'S' in an array of person objects.",
        "input": "[{\"firstName\": \"Alice\", \"lastName\": \"Smith\"}, {\"firstName\": \"Bob\", \"lastName\": \"Johnson\"}]",
        "output": "function lastNameStartsWithS(person) {\n    return person.lastName.startsWith('S');\n}\n\nlet result = array.filter(lastNameStartsWithS);"
    },
    {
        "instruction": "Use map function to get the lengths of car models in an array of car objects.",
        "input": "[{\"make\": \"Toyota\", \"model\": \"Corolla\"}, {\"make\": \"Honda\", \"model\": \"Civic\"}]",
        "output": "function getModelLength(car) {\n    return car.model.length;\n}\n\nlet result = array.map(getModelLength);"
    },
    {
        "instruction": "Use filter function to get all cars with a model length greater than 5 in an array of car objects.",
        "input": "[{\"make\": \"Toyota\", \"model\": \"Corolla\"}, {\"make\": \"Honda\", \"model\": \"Civic\"}]",
        "output": "function modelLengthGreaterThan5(car) {\n    return car.model.length > 5;\n}\n\nlet result = array.filter(modelLengthGreaterThan5);"
    },
    {
        "instruction": "Use map function to get the uppercased names of all cities in an array of city objects.",
        "input": "[{\"name\": \"New York\", \"population\": 8000000}, {\"name\": \"Los Angeles\", \"population\": 4000000}]",
        "output": "function getUppercasedName(city) {\n    return city.name.toUpperCase();\n}\n\nlet result = array.map(getUppercasedName);"
    },
    {
        "instruction": "Use filter function to get all cities with a name containing 'o' in an array of city objects.",
        "input": "[{\"name\": \"New York\", \"population\": 8000000}, {\"name\": \"Los Angeles\", \"population\": 4000000}]",
        "output": "function nameContainsO(city) {\n    return city.name.includes('o');\n}\n\nlet result = array.filter(nameContainsO);"
    },
    {
        "instruction": "Use map function to get the lowercase names of all cars in an array of car objects.",
        "input": "[{\"make\": \"Toyota\", \"model\": \"Corolla\"}, {\"make\": \"Honda\", \"model\": \"Civic\"}]",
        "output": "function getLowercasedName(car) {\n    return car.make.toLowerCase() + ' ' + car.model.toLowerCase();\n}\n\nlet result = array.map(getLowercasedName);"
    },
    {
        "instruction": "Use filter function to get all cars with a make containing 'o' in an array of car objects.",
        "input": "[{\"make\": \"Toyota\", \"model\": \"Corolla\"}, {\"make\": \"Honda\", \"model\": \"Civic\"}]",
        "output": "function makeContainsO(car) {\n    return car.make.includes('o');\n}\n\nlet result = array.filter(makeContainsO);"
    }
]