diff --git a/index.js b/index.js
index e69de29..58a98a6 100644
--- a/index.js
+++ b/index.js
@@ -0,0 +1,24 @@
+/* Create a function "weatherForecast" with two parameters "city" and "weather". 
+
+If second argument is absent, "weather" parameter should get value "Great weather!".
+
+1. First solve this WITHOUT default function parameter.
+2. Comment previous solution and solve same task WITH default function parameter.
+
+NOTE: Carefully compare your results with test calls results
+*/
+
+console.log(weatherForecast("Dubai", "Sunny"));
+// Weather forecast for Dubai: Sunny
+
+console.log(weatherForecast("London", "Light rain"));
+// Weather forecast for London: Light rain
+
+console.log(weatherForecast("Paris"));
+// Weather forecast for Paris: Great weather!
+
+console.log(weatherForecast("Miami", ""));
+// Weather forecast for Miami:
+
+console.log(weatherForecast("Las Vegas", undefined));
+// Weather forecast for Las Vegas: Great weather!