gdScript string format

var s1 : String = "godot"
var s2 : String = "%s game engine" %[s1]
print(s2) # print -> godot game engine

Here is what the above code is Doing:
1. We create a variable s1 and assign it the string “godot”.
2. We create a variable s2 and assign it the string “%s game engine” %[s1].
3. We print the value of s2.
4. The output is godot game engine.