#include <stdio.h>
#include <ctype.h>
#include <string.h>
#include <math.h>

#include <opencv2/opencv.hpp>
#include <opencv2/core.hpp>
#include <opencv2/highgui.hpp>
#include <opencv2/imgproc.hpp>
#include <iostream>

[vc_row full_width="stretch_row_content_no_spaces" content_placement="middle" vc_row_background="" css=".vc_custom_1619062176902{background-color: #093969 !important;}"][vc_column css=".vc_custom_1619062220466{padding-top: 50px !important;padding-bottom: 50px !important;}"][jnews_post_title compatible_column_notice=""][/vc_column][/vc_row][vc_row][vc_column css=".vc_custom_1619062308139{border-radius: 5px !important;}"][jnews_post_breadcrumb compatible_column_notice=""][jnews_block_37 compatible_column_notice="" number_post="3" post_offset="0"][/vc_column][/vc_row]

return get_the_category_list(' ', '', $post_id);

cat msg.txt
type cat

echo "$(<msg.txt)"
type echo

#include <iostream>
#include <queue>
using namespace std;

int main() {

<!DOCTYPE html>
<html lang="en">
<head>
<meta name="viewport" content="width=device-width, initial-scale=0.75, maximum-scale=5.0, user-scalable=yes" />
<script async src="https://www.googletagmanager.com/gtag/js?id=G-S72LBY47R8"></script>

text = input().upper()

unique_symbols = ""
current_symbol = ""
repetitions = ""

#include <stdio.h>

int main()
{
int broj;

/*Write a function named myMessage() that prints the following message N times, where N is taken from the caller.
"This is an imaginary world and I am alive in this world"*/
#include<stdio.h>
void myMessage(int);//U can omit this line by defining the function before main()
int main()