title: Primality Test Set 1 Introduction And School Method
signature: function primalityTestSet1IntroductionAndSchoolMethod($n) {
test_code: <?php
  
  
  // SOLUTION CODE 
  // ============================================
  PLACEHOLDER_CODE_BODY
  
  // TESTING CODE 
  // ============================================
  function validateSolution($actual, $expected){
      return serialize($actual) == serialize($expected);
  }
  
  function driver($n, $expected){
      try{
        if (validateSolution(PLACEHOLDER_FN_NAME($n), $expected)){
          return "PASSED";
        }
        return "FAILED";
      }
      catch (Exception $exception_obj) {
        return get_class($exception_obj);
      }
  }
  
  function main(){
      printf("TEST-0...%s\n",driver(
        37, 
        true));
      
      printf("TEST-1...%s\n",driver(
        39, 
        false));
      
      printf("TEST-2...%s\n",driver(
        73, 
        true));
      
      printf("TEST-3...%s\n",driver(
        8, 
        false));
      
      printf("TEST-4...%s\n",driver(
        28, 
        false));
      
      printf("TEST-5...%s\n",driver(
        66, 
        false));
      
      printf("TEST-6...%s\n",driver(
        20, 
        false));
      
      printf("TEST-7...%s\n",driver(
        36, 
        false));
      
      printf("TEST-8...%s\n",driver(
        6, 
        false));
      
      printf("TEST-9...%s\n",driver(
        51, 
        false));
      
  }
  
  main();
  ?>
source_py: def primality_test_set_1_introduction_and_school_method(n):
      if (n <= 1):
          return False
      for i in range(2, n):
          if ((n % i) == 0):
              return False
      return True
source_cpp: bool primality_test_set_1_introduction_and_school_method(int n) {
    if ( n <= 1 ) return false;
    for ( int i = 2;
    i < n;
    i ++ ) if ( n % i == 0 ) return false;
    return true;
  }