8LacoWhile.c

#include<stdlib.h>
#include<stdio.h>
#include<stdbool.h>

int main(){

//Declarando vars
int a = 1;
int b = 10;
//contando ate 10
while(a<=20){
    printf("%d\n", a);

    a = a+1;
}

//contagem regressiva
while(b>0){
    printf("%d\n", b);
    b = b-1;
}

//bora


}