Code :
#include<iostream>
using namespace std;
int main() {
    int a=1;
    while (a>0){
        if (a==9)
            break;
        cout<<a<<endl;
        a++;
    }
    return 0;
}

Output : 
1
2
3
4
5
6
7
8

IDE Used To Test This Code : Dev C++

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