What does this code do function q(e){if(e<=1)return!1;if(e<=3)return!0;if(e%2==0||e%3==0)return!1;for(let r=5;r*r<=e;r+=6)if(e%r==0||e%(r+2)==0)return!1;return!0}function z(){const e=[];let r=2;for(;e.length<20;)q(r)&&e.push(r),r++;return e.reverse(),e.reverse(),e}console.log(z());
What does this code do function q(e){if(e<=1)return!1;if(e<=3)return!0;if(e%2==0||e%3==0)return!1;for(let r=5;r*r<=e;r+=6)if(e%r==0||e%(r+2)==0)return!1;return!0}function z(){const e=[];let r=2;for(;e.length<20;)q(r)&&e.push(r),r++;return e.reverse(),e.reverse(),e}console.log(z());
This code defines two functions `q` and `z`. Function `q` is a primality test function. It checks if a given number `e` is a prime number or not. It returns `true` if the number is prime and `false` otherwise. Function `z` generates an array of the first 20 prime numbers. It uses the `q` function to check if a number is prime and if it is, it adds it to the array `e`. It starts checking from 2 and continues until it has found 20 prime numbers. Finally, `console.log(z())` is used to print the array of the first 20 prime numbers to the console. So, in summary, this code prints the first 20 prime numbers to the console.
I showed a student some code that calculates 20 primes. I then tested their understanding by asking them to explain it to me. I'm going to show you their answer, I want you to evaluate whether or not their answer says something to the effect of "it calculates the first 20 primes". Do not judge their reasonining, just tell me if they got it right. Student Answer: "This code defines two functions `q` and `z`. Function `q` is a primality test function. It checks if a given number `e` is a prime number or not. It returns `true` if the number is prime and `false` otherwise. Function `z` generates an array of the first 20 prime numbers. It uses the `q` function to check if a number is prime and if it is, it adds it to the array `e`. It starts checking from 2 and continues until it has found 20 prime numbers. Finally, `console.log(z())` is used to print the array of the first 20 prime numbers to the console. So, in summary, this code prints the first 20 prime numbers to the console." Think out loud then answer either "The student passes" or "The student fails".
The student passes.
Testing if the previous output contains the string student passes
: True
What does this code do function q(e){if(e<=1)return!1;if(e<=3)return!0;if(e%2==0||e%3==0)return!1;for(let r=5;r*r<=e;r+=6)if(e%r==0||e%(r+2)==0)return!1;return!0}function z(){const e=[];let r=2;for(;e.length<20;)q(r)&&e.push(r),r++;return e.reverse(),e.reverse(),e}console.log(z());
What does this code do function q(e){if(e<=1)return!1;if(e<=3)return!0;if(e%2==0||e%3==0)return!1;for(let r=5;r*r<=e;r+=6)if(e%r==0||e%(r+2)==0)return!1;return!0}function z(){const e=[];let r=2;for(;e.length<20;)q(r)&&e.push(r),r++;return e.reverse(),e.reverse(),e}console.log(z());
This code defines two functions `q` and `z`. Function `q` is a primality test function. It checks if a given number `e` is a prime number or not. It returns `true` if the number is prime and `false` otherwise. Function `z` generates an array of the first 20 prime numbers. It uses a while loop and the `q` function to test each number and push prime numbers into the array. It then reverses the array twice (which effectively does nothing, as reversing an array twice brings it back to its original order), and returns the array. Finally, `console.log(z())` is used to print the array of the first 20 prime numbers to the console. So, in simple terms, this code generates and logs the first 20 prime numbers.
I showed a student some code that calculates 20 primes. I then tested their understanding by asking them to explain it to me. I'm going to show you their answer, I want you to evaluate whether or not their answer says something to the effect of "it calculates the first 20 primes". Do not judge their reasonining, just tell me if they got it right. Student Answer: "This code defines two functions `q` and `z`. Function `q` is a primality test function. It checks if a given number `e` is a prime number or not. It returns `true` if the number is prime and `false` otherwise. Function `z` generates an array of the first 20 prime numbers. It uses a while loop and the `q` function to test each number and push prime numbers into the array. It then reverses the array twice (which effectively does nothing, as reversing an array twice brings it back to its original order), and returns the array. Finally, `console.log(z())` is used to print the array of the first 20 prime numbers to the console. So, in simple terms, this code generates and logs the first 20 prime numbers." Think out loud then answer either "The student passes" or "The student fails".
The student passes.
Testing if the previous output contains the string student passes
: True
What does this code do function q(e){if(e<=1)return!1;if(e<=3)return!0;if(e%2==0||e%3==0)return!1;for(let r=5;r*r<=e;r+=6)if(e%r==0||e%(r+2)==0)return!1;return!0}function z(){const e=[];let r=2;for(;e.length<20;)q(r)&&e.push(r),r++;return e.reverse(),e.reverse(),e}console.log(z());
What does this code do function q(e){if(e<=1)return!1;if(e<=3)return!0;if(e%2==0||e%3==0)return!1;for(let r=5;r*r<=e;r+=6)if(e%r==0||e%(r+2)==0)return!1;return!0}function z(){const e=[];let r=2;for(;e.length<20;)q(r)&&e.push(r),r++;return e.reverse(),e.reverse(),e}console.log(z());
This code defines two functions `q` and `z`. Function `q` is a helper function that checks if a given number `e` is a prime number or not. It returns `true` if the number is prime and `false` otherwise. Function `z` generates an array of the first 20 prime numbers. It uses a while loop and the helper function `q` to check if a number is prime, and if it is, it adds it to the array `e`. The loop continues until the array has 20 elements. Finally, it logs the array of prime numbers to the console. In summary, the code generates and logs the first 20 prime numbers to the console.
I showed a student some code that calculates 20 primes. I then tested their understanding by asking them to explain it to me. I'm going to show you their answer, I want you to evaluate whether or not their answer says something to the effect of "it calculates the first 20 primes". Do not judge their reasonining, just tell me if they got it right. Student Answer: "This code defines two functions `q` and `z`. Function `q` is a helper function that checks if a given number `e` is a prime number or not. It returns `true` if the number is prime and `false` otherwise. Function `z` generates an array of the first 20 prime numbers. It uses a while loop and the helper function `q` to check if a number is prime, and if it is, it adds it to the array `e`. The loop continues until the array has 20 elements. Finally, it logs the array of prime numbers to the console. In summary, the code generates and logs the first 20 prime numbers to the console." Think out loud then answer either "The student passes" or "The student fails".
The student passes.
Testing if the previous output contains the string student passes
: True
What does this code do function q(e){if(e<=1)return!1;if(e<=3)return!0;if(e%2==0||e%3==0)return!1;for(let r=5;r*r<=e;r+=6)if(e%r==0||e%(r+2)==0)return!1;return!0}function z(){const e=[];let r=2;for(;e.length<20;)q(r)&&e.push(r),r++;return e.reverse(),e.reverse(),e}console.log(z());
What does this code do function q(e){if(e<=1)return!1;if(e<=3)return!0;if(e%2==0||e%3==0)return!1;for(let r=5;r*r<=e;r+=6)if(e%r==0||e%(r+2)==0)return!1;return!0}function z(){const e=[];let r=2;for(;e.length<20;)q(r)&&e.push(r),r++;return e.reverse(),e.reverse(),e}console.log(z());
This code defines two functions `q` and `z` and then calls the `z` function and logs the result to the console. The `q` function is a helper function that checks if a given number `e` is a prime number. It returns `false` if the number is not prime and `true` if it is prime. The `z` function generates an array of the first 20 prime numbers. It uses a while loop to keep generating numbers and pushing them to the array `e` until it has 20 elements. It uses the `q` function to check if a number is prime before adding it to the array. The `reverse` method is called twice on the array before returning it, which effectively does nothing as reversing an array twice returns it to its original order. So when you call `z`, it returns an array of the first 20 prime numbers, which are then logged to the console.
I showed a student some code that calculates 20 primes. I then tested their understanding by asking them to explain it to me. I'm going to show you their answer, I want you to evaluate whether or not their answer says something to the effect of "it calculates the first 20 primes". Do not judge their reasonining, just tell me if they got it right. Student Answer: "This code defines two functions `q` and `z` and then calls the `z` function and logs the result to the console. The `q` function is a helper function that checks if a given number `e` is a prime number. It returns `false` if the number is not prime and `true` if it is prime. The `z` function generates an array of the first 20 prime numbers. It uses a while loop to keep generating numbers and pushing them to the array `e` until it has 20 elements. It uses the `q` function to check if a number is prime before adding it to the array. The `reverse` method is called twice on the array before returning it, which effectively does nothing as reversing an array twice returns it to its original order. So when you call `z`, it returns an array of the first 20 prime numbers, which are then logged to the console." Think out loud then answer either "The student passes" or "The student fails".
The student passes.
Testing if the previous output contains the string student passes
: True
What does this code do function q(e){if(e<=1)return!1;if(e<=3)return!0;if(e%2==0||e%3==0)return!1;for(let r=5;r*r<=e;r+=6)if(e%r==0||e%(r+2)==0)return!1;return!0}function z(){const e=[];let r=2;for(;e.length<20;)q(r)&&e.push(r),r++;return e.reverse(),e.reverse(),e}console.log(z());
What does this code do function q(e){if(e<=1)return!1;if(e<=3)return!0;if(e%2==0||e%3==0)return!1;for(let r=5;r*r<=e;r+=6)if(e%r==0||e%(r+2)==0)return!1;return!0}function z(){const e=[];let r=2;for(;e.length<20;)q(r)&&e.push(r),r++;return e.reverse(),e.reverse(),e}console.log(z());
This code defines two functions `q` and `z`. Function `q` is a primality test function. It checks if a given number `e` is a prime number or not. It returns `true` if the number is prime and `false` otherwise. Function `z` generates an array of the first 20 prime numbers. It uses a while loop and the `q` function to check if a number is prime. If it is, it pushes the number to the array `e`. It starts checking from 2 and increments the number until it has found 20 prime numbers. The `console.log(z())` statement at the end of the code calls the `z` function and logs the array of the first 20 prime numbers to the console. Here's the code with more readable variable names and formatting:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 | function isPrime(num) { if (num <= 1) return false; if (num <= 3) return true; if (num % 2 == 0 || num % 3 == 0) return false; for (let i = 5; i * i <= num; i += 6) { if (num % i == 0 || num % (i + 2) == 0) return false; } return true; } function generatePrimes() { const primes = []; let num = 2; for (; primes.length < 20; ) { if (isPrime(num)) primes.push(num); num++; } return primes; } console.log(generatePrimes()); |
I showed a student some code that calculates 20 primes. I then tested their understanding by asking them to explain it to me. I'm going to show you their answer, I want you to evaluate whether or not their answer says something to the effect of "it calculates the first 20 primes". Do not judge their reasonining, just tell me if they got it right. Student Answer: "This code defines two functions `q` and `z`. Function `q` is a primality test function. It checks if a given number `e` is a prime number or not. It returns `true` if the number is prime and `false` otherwise. Function `z` generates an array of the first 20 prime numbers. It uses a while loop and the `q` function to check if a number is prime. If it is, it pushes the number to the array `e`. It starts checking from 2 and increments the number until it has found 20 prime numbers. The `console.log(z())` statement at the end of the code calls the `z` function and logs the array of the first 20 prime numbers to the console. Here's the code with more readable variable names and formatting:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 | function isPrime(num) { if (num <= 1) return false; if (num <= 3) return true; if (num % 2 == 0 || num % 3 == 0) return false; for (let i = 5; i * i <= num; i += 6) { if (num % i == 0 || num % (i + 2) == 0) return false; } return true; } function generatePrimes() { const primes = []; let num = 2; for (; primes.length < 20; ) { if (isPrime(num)) primes.push(num); num++; } return primes; } console.log(generatePrimes()); |
The student passes.
Testing if the previous output contains the string student passes
: True