how to take only real number in python code example

Example 1: how to check whole number in python

x = 1/3  # insert your number here
print(x - int(x) == 0)  # True if x is a whole number, False if it has decimals.

Example 2: how to add a number after each number in an array with a for loop in C++

#include<iostream>
	using namespace std;

	int main()
	{
		int a[4];
		int i;

		for ( i = 0; i < 4; i++ )
			a[i] = 0;
		for ( i = 0; i < 4; i++ )
			cout << a[i] << '\n';
		return 0;
	}