diff --git a/.idea/.gitignore b/.idea/.gitignore
new file mode 100644
index 0000000..ab1f416
--- /dev/null
+++ b/.idea/.gitignore
@@ -0,0 +1,10 @@
+# Default ignored files
+/shelf/
+/workspace.xml
+# Ignored default folder with query files
+/queries/
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml
+# Editor-based HTTP Client requests
+/httpRequests/
diff --git a/README.md b/README.md
index 828cb57..ef81864 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,5 @@
-# Math formulas
+# Math formulas - 
+### FOR **Irina-art-art**
 ## Area
 - Circle: S = πR²
 - Rectangle: S = ab
diff --git a/main.py b/main.py
new file mode 100644
index 0000000..5596b44
--- /dev/null
+++ b/main.py
@@ -0,0 +1,16 @@
+# This is a sample Python script.
+
+# Press Shift+F10 to execute it or replace it with your code.
+# Press Double Shift to search everywhere for classes, files, tool windows, actions, and settings.
+
+
+def print_hi(name):
+    # Use a breakpoint in the code line below to debug your script.
+    print(f'Hi, {name}')  # Press Ctrl+F8 to toggle the breakpoint.
+
+
+# Press the green button in the gutter to run the script.
+if __name__ == '__main__':
+    print_hi('PyCharm')
+
+# See PyCharm help at https://www.jetbrains.com/help/pycharm/
diff --git a/square.py b/square.py
index c782610..ba74c50 100644
--- a/square.py
+++ b/square.py
@@ -4,3 +4,4 @@ def area(a):
 
 def perimeter(a):
     return 4 * a
+