#include<iostream>
// from math import sin
// x = sin(27);
// import math
// x = math.sin(27);

// Before this:
// std::cout << "hi\n";
using namespace std;
// After this:
// cout << "hi\n";

/*
	return_type function_name(function_parameters){
	return something that's our return type
	}
	*/
int add_5(int x){
	return x -1;
}

/* Python:
	def add_5(x):
	return x + 5
	*/


int main(){
	cout 	<<	"This is a mess!\n";	
	int a = add_5(2);		
	cout << a << "\n";

	if(a > 3){
		cout << "Our function worked!\n";
		cout << "Second line of our function\n";
	}

	int i = 1;
	while(i <= 10) {
		cout << i*i << " ";
		i++;
	}
	cout << "\n";
	// Or you can say:  cout << endl;
	
	// A C-style "for" loop
	for(int j = 1; j <= 10; j++)
		cout << j*j << " ";
	// j is out of scope at this point and no longer exists
	// i is still in scope from the "while" loop above
	cout << "\n";

	int numbers[] = {2, 4, 6, 8, 10};
	for(int n : numbers)
		cout << n << " ";
	cout << "\n";
	

	return 0;
}