diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index c08067d..9bc6992 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -28,20 +28,20 @@
     <option name="hideEmptyMiddlePackages" value="true" />
     <option name="showLibraryContents" value="true" />
   </component>
-  <component name="PropertiesComponent">{
-  &quot;keyToString&quot;: {
-    &quot;RunOnceActivity.OpenProjectViewOnStart&quot;: &quot;true&quot;,
-    &quot;RunOnceActivity.ShowReadmeOnStart&quot;: &quot;true&quot;,
-    &quot;WebServerToolWindowFactoryState&quot;: &quot;false&quot;,
-    &quot;last_opened_file_path&quot;: &quot;/home/students/s473579/PycharmProjects/JezykiFormalne/Zajecie1/jezykiformalne&quot;,
-    &quot;node.js.detected.package.eslint&quot;: &quot;true&quot;,
-    &quot;node.js.detected.package.tslint&quot;: &quot;true&quot;,
-    &quot;node.js.selected.package.eslint&quot;: &quot;(autodetect)&quot;,
-    &quot;node.js.selected.package.tslint&quot;: &quot;(autodetect)&quot;,
-    &quot;nodejs_package_manager_path&quot;: &quot;npm&quot;,
-    &quot;vue.rearranger.settings.migration&quot;: &quot;true&quot;
+  <component name="PropertiesComponent"><![CDATA[{
+  "keyToString": {
+    "RunOnceActivity.OpenProjectViewOnStart": "true",
+    "RunOnceActivity.ShowReadmeOnStart": "true",
+    "WebServerToolWindowFactoryState": "false",
+    "last_opened_file_path": "J:/PycharmProjects/JezykiFormalne",
+    "node.js.detected.package.eslint": "true",
+    "node.js.detected.package.tslint": "true",
+    "node.js.selected.package.eslint": "(autodetect)",
+    "node.js.selected.package.tslint": "(autodetect)",
+    "nodejs_package_manager_path": "npm",
+    "vue.rearranger.settings.migration": "true"
   }
-}</component>
+}]]></component>
   <component name="RunManager" selected="Python.main">
     <configuration name="main" type="PythonConfigurationType" factoryName="Python" temporary="true" nameIsGenerated="true">
       <module name="jezykiformalne" />
diff --git a/TaskD01/run.py b/TaskD01/run.py
new file mode 100644
index 0000000..38fcb59
--- /dev/null
+++ b/TaskD01/run.py
@@ -0,0 +1,21 @@
+import re
+import sys
+def write_answer(row, ouput_file):
+    with open(ouput_file, "a", encoding="utf-8") as file:
+        file.write(row)
+
+
+def find_hamlet(pattern, input_file, output_file):
+    with open(output_file, "w", encoding="utf-8") as output_file1:
+        with open(input_file, "r", encoding="utf-8") as file:
+            for row in file:
+                help_row = row.strip()
+                if re.search(pattern, help_row):
+                    write_answer(row, output_file)
+
+pattern = re.compile(r'hamlet', re.IGNORECASE)
+# output_file ='simple.out'
+# input_file = 'simple.in'
+input_file = sys.argv[1]
+output_file = sys.argv[2]
+find_hamlet(pattern, input_file, output_file)
\ No newline at end of file
diff --git a/TaskD01/simple.out b/TaskD01/simple.out
new file mode 100644
index 0000000..8f93eae
--- /dev/null
+++ b/TaskD01/simple.out
@@ -0,0 +1,2 @@
+Here comes Hamlet
+Hamlet Hamlet again