main.dart

void main() {
  
  
 var num = 0;                     //Declaring and initializing variable 'num'
  
while (num <=29) {                // while num is less or equal to 29.
 num = num + 1;                   // increment num by 1 and set it it to num.
  if (num == 30) {                // check if num is equal to 30.
    print("The number is at $num");
     break;                       // break the while loop.
   }
     print(num);                  //print num for every value it increments
 
}
 print("");
  var i;                         // Declaring variable 'i'
  for (i=0; i<=30; i++){         //loop through 0-30, increment each time
    
    if (i%2 != 0){               //check that the remainder of i/2 is not equal to 0
      print(i);                  //print i for every time the condition is met
    }
  }

}