Test if a number is even(ubuntuincident.wordpress.com)

    def isEven_modulus(num):
        return num % 2 == 0

    def isEven_bit(num):
        return (num & 1) == 0

    import random, time

    testSet = random.choices(range(0, 100), k=10)
    iterations = range(1000)

    print("These are our test numbers: ", testSet)

    mod_start = time.perf_counter_ns()
    for z in iterations:
        for n in testSet:
            isEven_modulus(n)
            
    mod_end = time.perf_counter_ns()
    for z in iterations:
        for n in testSet:
            isEven_bit(n)

    bit_end = time.perf_counter_ns()

    print("Modulus method: ", mod_end - mod_start, "ns")
    print("Bitwise method: ", bit_end - mod_end, "ns")

    These are our test numbers:  [45, 88, 55, 52, 40, 70, 62, 47, 78, 30]
    Modulus method:  757341 ns
    Bitwise method:  698872 ns

    int main(int argc, char **argv) {
      int total = 0;
      for (int i=2147483647; i; --i) {
        total += i & 1;
      }
      printf("%d\n", total);
      return 0;
    }

    total += !(i&1);

    test dl, 1
    setnz bl
    add eax, ebx

  >> typeof NaN
  <- "number"

  >> (NaN % 2) == 0
  <- false

  >> (NaN % 2) === 0
  <- false