var a = 0;
var b = 2;

print((3+5)*(2)); # 16

var q = "Hello";
var r = 0;

# Overloaded + operator for string-int concatenation
print(q+r) # "Hello0"
var s = "Hello";
var t = "ell";

# Removes the first occurence of t in s
print(s-t); # "Ho"

{
    var a = "Hello, World!";
    print("Printing from inside block: " + a); # OK
}

print("Printing from outside block: " + a); # Runtime error

var i = 0;
from (; i < 10; i = i + 1) {
    print("Hello");
}

until (i < 20) {
    print("World");
}

from (var i = 0; i < 3; i = i + 1) {
    from (var j = 0; j < 3; j = j + 1) {
        print(i+j);
    }
}

# Output
0
1
2
1
3
2
3
4