diff --git a/practica/README.md b/practica/README.md
index b79e45f..1b043d6 100644
--- a/practica/README.md
+++ b/practica/README.md
@@ -4,12 +4,13 @@ Here you can find different tasks.
 Among them there are:
 
 - [Math tasks](math) - useful programs, functions and ready-made solutions for various mathematical operations
-    - [Ordinary tasks](math\ord_tasks) - task shich i did for myself
-    - [Statistic tasks](math\statistic)  - statistic tasks, which can be usefull in econometric calculations
+    - [Ordinary tasks](math/ord_tasks) - task shich i did for myself
+    - [Statistic tasks](math/statistic)  - statistic tasks, which can be usefull in econometric calculations
 - [Course tasks](stepik) 
-    - [Beneficial features](stepik\beneficial_features)
-    - [Sketches](stepik\sketches)
-    - [Sketches](stepik\steoik_tasks)
+    - [Beneficial features](stepik/beneficial_features)
+    - [Sketches](stepik/sketches)
+    - [Sketches](stepik/stepik_tasks)
+    
 
 
 
diff --git a/practica/stepik/tasks.py b/practica/stepik/tasks.py
deleted file mode 100644
index e69de29..0000000